South Causeway
Isle Homes for Sale in St. Petersburg, FL

Waterfront island · West St. Petersburg · ZIP 33707

A single-family canal-front island in the Causeway Isles on Boca Ciega Bay, with private docks and bay or Gulf access near the Treasure Island Causeway. The read is the lot, the water frontage, and the full post-Helene carrying cost including flood, insurance, elevation, and seawall and dock upkeep.

West St. Petersburg waterfrontCanal-front single-familyBoca Ciega Bay access

Live Market Pulse

59/100
Momentum

Balanced Market (limited data)

Resale here turns on the lot, the water frontage and the home; confirm the flood zone, the elevation, current flood and wind insurance, and seawall and dock condition before anchoring on a number. Hurricane Helene hit the low Causeway Isles hard in 2024, so the elevation and flood story is central.

Free · No obligation

Unlock Off-Market South Causeway Isle

Listings before the portals, true comps, and the renovation and carrying-cost math, before you tour.

Built fromLive Stellar MLS data14 years of closingsLocal renovation analysisUpdated twice daily

LiveMarket PulseStellar MLS

$791K

Median Price

1.7mo

Supply

140days

Avg DOM

Balanced

Seller Leverage

$444/sf

Median $/Sqft

n/a

1-Yr Price Change

0now

Distress

Jon's Current Read

"South Causeway Isle is a waterfront single-family island in the Causeway Isles on the far west side of St. Petersburg, on the canals and open water of Boca Ciega Bay just inside the Treasure Island Causeway. Most homes are single-story canal-front houses dating from the mid-1950s onward, with private docks and direct bay or Gulf access, and the neighborhood reads as a quiet, owner-occupied residential island rather than a nightly-rental zone. St. Petersburg residential zoning carries a thirty-day minimum on rentals, so this is not a vacation-rental street. Value is driven by the lot, the water frontage, and the condition of the home, and the carrying cost is where the work is: this is low, bay-front ground that took serious storm-surge flooding in Hurricane Helene in September 2024, so the flood zone, the finished-floor elevation, current flood and wind insurance, and the condition of the seawall and dock are real, parcel-specific layers. The read is the lot, the water, the elevation, and the full carrying cost, confirmed in writing before you offer."

Jon Brooks, founder, Momentum Realty · Updated June 2026

The 60-Second Overview

South Causeway Isle market snapshot (as of June 25, 2026): the median sale price is about $791K ($444 per sq ft), with homes averaging 140 days on market and 1.7 months of supply, a balanced market (limited data). Based on 7 recent closings in live Stellar MLS data.

South Causeway Isle is a waterfront single-family island in the Causeway Isles (ZIP 33707), on the far west side of St. Petersburg in Pinellas County, on the canals and open water of Boca Ciega Bay just before the Treasure Island Causeway. The island dates from the mid-1950s, with single-story canal-front homes that have evolved and updated across the decades.

This is a quiet, owner-occupied residential island, not a nightly-rental zone. St. Petersburg residential zoning carries a thirty-day minimum lease term, so short stays are not the norm here; most residents own and live in their homes. Confirm the exact rental rules and any deed restriction for a specific parcel before you assume a rental plan.

The carrying-cost picture is the part to read carefully on low, bay-front ground. Confirm the flood zone, the finished-floor elevation, current flood and wind insurance quotes, and the condition and cost of the seawall, dock and boat access, all of which are parcel-specific and can carry meaningful maintenance and insurance cost.

Hurricane Helene drove record storm surge into the low west St. Petersburg islands in September 2024. Read the elevation, any substantial-damage or substantial-improvement status, and the rebuild or remediation history of the specific home, and confirm school assignment by address with Pinellas County Schools before you offer.

Quick Match

Who South Causeway Isle is best for.

Best for

Buyers who want a canal-front single-family home with a private dock and bay or Gulf access
Buyers who value a quiet, owner-occupied island close to the Gulf beaches
Buyers who want water access and are ready to maintain a seawall and dock
Buyers who will confirm flood zone, elevation and post-Helene insurance per parcel

Probably not for

Buyers who want a low-maintenance, low-carry home away from the water
Buyers who plan nightly or weekly vacation rentals as the use
Buyers unwilling to confirm flood, elevation and waterfront upkeep costs
Buyers who want a gated, amenity-rich master plan

Market Pulse

How South Causeway Isle is performing right now

59/100
momentum

Balanced Market (limited data)

Seller's marketBalancedBuyer's market

1.7Months of supplytight

140Median days on marketdays

1 : 1Under contract vs for salestrong demand

7Sold in last 12 monthsliquidity

+127%Median price since 2012appreciation

+30%Asking vs recent sold $/sqftroom to negotiate

Tight supply and strong demand favor sellers here. Homes still take about two months to sell, though, and with asking prices running above recent sales per square foot, a prepared buyer has room on anything overpriced. Reading each home against the real comps, not the headline trend, is where the edge is.

Live from Stellar MLS, as of June 25, 2026. Refreshed twice daily. Months of supply, days on market, and the contract-to-listing ratio are computed from current South Causeway Isle listings and the trailing twelve months of closed sales.

Where prices are going$850K2026 YTD

Median sale price by year. Tap a label to compare Shore Acres Bayou Grande or St. Petersburg. The 1-year price change is the median sold price over the most recent year versus the prior year, the same measure most listing sites and local Realtor reports use. It reflects the mix of homes that sold, not the change in any single home's value, which is why median price per square foot is shown alongside it to adjust for home size. In thinly traded neighborhoods, where a sale or two can swing the median, we lead with the mix-resistant price-per-square-foot trend instead.

Price per square foot$3072026 YTD

Median $/sqft by year. 2026 is year to date.

Supply and demand now1 : 1active : pending

For sale1

Pending1

Sold 12mo7

Active and pending listings now vs homes sold in the last 12 months.

8.6A- score

Momentum intelligence

Momentum buy score

Our proprietary read on how a home in South Causeway Isle buys, holds, and resells. See the five factors.

Homes For Sale Right Now in South Causeway Isle

Live MLS inventory for South Causeway Isle. Every active listing, what is under contract right now, and the last 12 months of closed sales, refreshed twice a day. Closed comps beat an algorithm's guess every time.

Active · 140 daysTop listing

$1,648,000

4 bd · 4 ba · 2,855 sqft · built 2024

301 79Th Street, ST PETERSBURG, 33707

Reno opportunityBest value

Listed by ACCESS PARADISE REALTY

Pending · 137 days

$2,295,000

4 bd · 3 ba · 3,432 sqft · built 2005

7942 3Rd Avenue, ST PETERSBURG, 33707

Strong resaleRenovatedLakefront

Listed by CENTURY 21 JIM WHITE & ASSOC

Active and pending South Causeway Isle listings as of 2026-06-25, priced high to low. Listings courtesy of Stellar MLS as distributed by MLS GRID.. Tap any home to ask about it.

Interactive Map

South Causeway Isle on the map.

Every active, pending, and recently sold home, plotted. Toggle the layers, color the dots by status or lot type, and tap a home for the details.

Listing locations from Stellar MLS; lot type inferred from listing descriptions. Destination pins are approximate. Map data © OpenStreetMap, tiles © CARTO. Flood, school, and commute overlays are on the roadmap.

Nearby & Commute

How far is everything?

The takeaway

The west St. Petersburg waterfront location is the point: the Gulf beaches, shopping, and the Central Avenue corridor are all within a short drive.

Drive times from the island; the far-west location puts the Gulf beaches, shopping, and major roads within reach.

Treasure Island and the Gulf beaches~5 to 10 min · ~2 to 4 miles

Tyrone Square Mall and shopping~8 to 14 min · ~3 to 5 miles

Central Avenue corridor~5 to 10 min · ~2 to 4 miles

Downtown St. Petersburg~15 to 25 min · ~8 to 10 miles

I-275 access~12 to 20 min · ~6 to 8 miles

Tampa International Airport~30 to 45 min · ~22 to 28 miles

Drive times are approximate and vary with traffic and your exact departure point. Confirm your real commute at your real departure time.

Nearby Communities

Explore more neighborhoods near South CausewayIsle Homes for Sale in St with Momentum Realty’s local guides.

PGPasadena on the Gulf Homes for Sale in StSt. Petersburg, FL · 0.4 mi SCSouth Causeway IsleYacht Club Estates Homes for Sale in StSt. Petersburg, FL · 0.4 mi PGPasadena GolfClub Estates Homes for Sale in StSt. Petersburg, FL · 0.4 mi SDSouth DavistaStSt. Petersburg, FL · 0.5 mi BIBay Island Homes for Sale in South Pasadena, FLSouth Pasadena, FL · 0.6 mi PTPasadena Terrace Homes for Sale in StSt. Petersburg, FL · 0.6 mi SCSouth Causeway IsleStSt. Petersburg, FL · 0.7 mi LCLes Chateauxdes Rois Homes for Sale in South Pasadena, FLSouth Pasadena, FL · 0.8 mi BIBay Island Group 6 Homes for Sale in South Pasadena, FLSouth Pasadena, FL · 0.8 mi

Browse all Florida neighborhood guides →

Carrying cost · the no-CDD edge

No CDD bond means thousands less per year than newer master plans.

Typical CDD community~$2,500/yr

South Causeway Isle (no CDD)$0/yr

Roughly $25,000 saved over 10 years in carrying cost, before resale.

Illustrative. NE Florida CDD assessments commonly run $1,500-$3,500+/yr and vary by community; verify per property.

Schools

15-Second Take

Pinellas County Public Schools
Verify the zoned schools by address
Magnet and choice options may be available
Confirm current ratings before relying on them
Private and parochial options nearby

South Causeway Isle is served by Pinellas County Public Schools. Assignment is by address and can change, so confirm the exact zoned elementary, middle, and high schools for any specific home, plus any magnet or choice options. Treat published ratings as a starting point, not the full story.

Buying with schools in mind? We can confirm the exact zoned schools for any South Causeway Isle address.

The takeaway

What is actually shaping value on this west St. Petersburg waterfront island, sourced and dated. We do not publish rumor.

Recent Developments in South Causeway Isle

Development Intelligence

Our read on what is being built around South Causeway Isle, scored for direction, significance, and how close the effect lands. The full sourced timeline follows below.

Net OutlookBullishThe structural story is a quiet, owner-occupied canal-front island where the lot, the water frontage and the elevation drive outcomes. Watch storm-recovery progress, the fifty-percent substantial-damage rule, and rising flood and wind insurance costs against durable demand for St. Petersburg waterfront with Gulf access, and confirm flood, elevation, insurance and seawall and dock condition per home.

Hurricane Helene storm surge reshaped the carrying cost

2024

BearishMajor impact

SignificanceRadius: Community

Record surge flooded the low Causeway Isles in September 2024; elevation, substantial-damage status, rebuild history and post-storm insurance are now central to value, and must be confirmed per parcel.

Waterfront frontage and Gulf access drive value

Ongoing

BullishNotable impact

SignificanceRadius: Community

Direct Boca Ciega Bay and Gulf access with private docks carries durable premiums in west St. Petersburg, but raises insurance and waterfront-upkeep costs; confirm per parcel.

Flood and wind insurance is a heavy cost layer

Ongoing

BearishNotable impact

SignificanceRadius: Community

Flood and wind insurance on low bay-front lots can be substantial post-Helene; confirm current quotes for the specific home before you offer.

Owner-occupied island under a thirty-day rental minimum

Ongoing

NeutralMinor impact

SignificanceRadius: Area

St. Petersburg residential zoning caps short rentals, keeping the island residential rather than a nightly-rental zone; confirm the exact rule and any deed restriction per parcel.

Direction, significance, and effect-radius ratings are Momentum's proprietary, qualitative read of the sourced items below, not investment advice or a prediction for any specific home.

Development, infrastructure, retail, and school activity affecting South Causeway Isle, tracked by our team and summarized from public reporting and official sources, with links to the original coverage. Last updated June 2026.

Showing the latest, scroll for all updates ↓

September 2024
Storm
Hurricane Helene drives record storm surge into St. Petersburg
WUSF and the St. Pete Catalyst reported that on September 26 and 27, 2024, Hurricane Helene pushed a record storm surge into the Tampa Bay area, with St. Petersburg recording roughly 6.3 feet of surge that flooded low west and northeast waterfront neighborhoods including the Causeway Isles, far surpassing the prior local record. Why it matters: Surge flooding redefined the carrying cost on low bay-front islands like this. Confirm the finished-floor elevation, any substantial-damage determination, the rebuild or remediation history, and current flood and wind insurance before you offer. Source
October 2024
Recovery
St. Petersburg begins damage assessment after Helene
The City of St. Petersburg reported in its post-storm updates that it was assessing widespread damage to waterfront neighborhoods after Helene, with thousands of structures across Pinellas County reporting major damage and recovery and the substantial-damage review process underway. Why it matters: The substantial-damage review can require elevation upgrades under the fifty-percent rule. Confirm any determination on the specific home and what it triggers before you commit. Source

Summaries reflect public reporting and official sources linked above as of the dates shown. Project details, timelines, and approvals can change. Commentary on potential market effects is general observation, not investment advice or a prediction for any specific property. For the freshest items across the whole region, see This Week in Northeast Florida.

The Strategy

The South Causeway Isle buying strategy.

If we were buying in South Causeway Isle, this is the order of operations we would run, and the one we run for our clients.

Confirm the flood zone, elevation and insurance first. On low bay-front ground that flooded in Helene, the flood zone, finished-floor elevation and flood and wind insurance can move the carrying cost sharply.

Check substantial-damage status and rebuild history. Ask whether the specific home was substantially damaged in 2024 and what that triggers under the fifty-percent rule.

Inspect the seawall, dock and shoreline, and budget their upkeep, since these are real waterfront cost layers.

Confirm the rental rules. St. Petersburg residential zoning carries a thirty-day minimum; verify the exact rules and any deed restriction before assuming a rental plan.

Weigh the nearby alternative, Shore Acres Bayou Grande, on lot, water, elevation and total carrying cost.

The Quick Decision

Best Buy

A solid or rebuilt canal-front home on a higher-elevation lot with deep, protected frontage and the seawall, dock, flood, elevation and insurance picture confirmed.

Biggest Risk

Paying a water premium without confirming the flood zone, the elevation, post-Helene insurance, substantial-damage status, or the condition and cost of the seawall and dock.

Best Lot

Water frontage, depth and elevation drive value; deeper, protected frontage on higher ground defends price best on a low bay-front island.

Smart Timing

Inventory is thin and varied and shaped by storm recovery; the right lot at the right elevation is worth waiting for, with insurance and waterfront costs confirmed first.

Deep-Dive Intelligence

The full read, only if you want it.

The takeaway

On mobile, tap any heading below to open it. This is the home by home, lot by lot, club and renovation detail, organized so you can jump straight to what matters to you.

Community Details at a Glance

South Causeway Isle is a waterfront single-family island in the Causeway Isles (ZIP 33707), on the far west side of St. Petersburg in Pinellas County, on the canals and open water of Boca Ciega Bay just inside the Treasure Island Causeway. Most homes are single-story canal-front houses dating from the mid-1950s onward, with private docks and direct bay or Gulf access, in a quiet, owner-occupied residential setting that is not a nightly-rental zone. Value is driven by the lot, the water frontage and the elevation rather than a uniform floor plan. Confirm the flood zone, finished-floor elevation, wind and flood insurance quotes, the condition and cost of the seawall and dock, any substantial-damage status from Hurricane Helene, the thirty-day minimum rental rule under St. Petersburg zoning, and the school assignment by address with Pinellas County Schools, since details change.

South Causeway Isle Homes For Sale

What your money buys in South Causeway Isle.

The takeaway

Three honest price bands. Condition and lot, not the square footage alone, decide where a home lands.

Here are the broad resale bands in South Causeway Isle today. The right home is the one matched to your budget and the renovation math, so seeing fitting listings early is the edge.

Entry: original or storm-affected homes

$630K to $760K

The more original homes or those needing post-storm remediation or rebuild, the entry door onto a canal-front island. Confirm current pricing and the rebuild picture on the live listings below.

Lowest entry

Core: updated canal-front homes

$760K to $964K

The updated, move-in canal-front homes with a private dock and solid seawall, the core of the island. Confirm current pricing on the live listings below.

Most inventory

High: rebuilt or elevated deep-water homes

$964K to $1.19M

The rebuilt, elevated or premium deep-water homes with the best frontage and protection. Elevation, frontage and condition separate these most. Confirm current pricing on the live listings below.

Strongest resale

Approximate 2026 resale bands from third-party listing data and public records, not NEFAR statistics. Confirm pricing for a specific home.

See Off-Market & Private Listings

What Your Money Buys

What ~$791K buys here.

Three realistic price bands. Where a home lands comes down to condition and lot, not square footage alone.

$630K to $760K

Entry: original or storm-affected homes

The more original homes or those needing post-storm remediation or rebuild, the entry door onto a canal-front island. Confirm current pricing and the rebuild picture on the live listings below.

$760K to $964K

Core: updated canal-front homes

The updated, move-in canal-front homes with a private dock and solid seawall, the core of the island. Confirm current pricing on the live listings below.

$964K to $1.19M

High: rebuilt or elevated deep-water homes

The rebuilt, elevated or premium deep-water homes with the best frontage and protection. Elevation, frontage and condition separate these most. Confirm current pricing on the live listings below.

Approximate 2026 resale bands from third-party listing data and public records, not NEFAR statistics. Confirm pricing for a specific home.

Operator Intelligence

Renovation & Resale Intelligence

The factors that actually move value in South Causeway Isle, condition, lot, and the renovation math, read from current listings and recent sales.

15-Second Take

Renovation math decides the deal
Better lots and views resell strongest
Roof and HVAC age drive the insurance quote
Interior lots are where buyers overpay

Proprietary Data

The renovation premium.

Updated homes ask about 16% more per square foot than original-condition homes, and they tend to sell faster. In an all-resale market, condition is the single biggest swing in value, which is why reading the renovation math is the whole game.

Asking price per square foot

Renovated$669

Original$577

Median days on market

Renovated137

Original140

From current South Causeway Isle listings (renovated 1, original 1); condition inferred from listing descriptions, asking not closed figures. The exact number depends on a specific home's updates, lot, and view, which is the read we do before you offer.

Operator Note

The trap here is a beautifully staged original-condition home. Staging is cheap; a roof, HVAC, and a full modernization are not. We price the real renovation before you fall for the listing photos, because in an all-resale market that number is the difference between a deal and the most expensive house on the street.

Lot Value

The lot premium.

On a preferred homesite (water, preserve, corner, or a larger lot), the homesite is the part of your money the market gives back at resale. The house can be renovated; the lot cannot, so premium lots hold their value better than interior ones. How much more they command varies by frontage, view, and condition, which is why we read it home by home against real comparable sales rather than a single headline figure.

Operator Note

Most buyers overpay on interior lots in the back half of the community. A sharp renovation can distract you, but the weaker resale position follows the lot, not the finishes. We read the homesite before the kitchen.

Resale Strength Scorecard

How well South Causeway Isle holds value.

Our read on the factors that protect resale here, and the one to manage.

Direct waterfront with Gulf accessStrong

West St. Petersburg location near beachesStrong

Flood zone and elevation on low bay-front groundWatch it

Post-Helene insurance and substantial-damage statusWatch it

Seawall and dock condition per parcelManage it

Momentum analysis based on the community's structure, location, lot scarcity, and housing stock. Not a guarantee of future value.

Operator Note

The strongest value pocket is usually a renovated home on a good lot priced just under the next tier up. Buyers chasing the single biggest house often pay top prices for what is really a renovation project.

5 Mistakes Buyers Make in South Causeway Isle

15-Second Take

Calling the listing agent (who works for the seller)
Misjudging the renovation budget
Overpaying for an interior lot
Underbudgeting the carrying costs
Skipping the roof, HVAC, and systems check

The same five mistakes cost buyers the most in any market. Every one is avoidable with the right preparation before you tour.

Calling the listing agent

The agent on the sign works for the seller. In a market where condition swings price by hundreds of thousands, negotiating against that agent with no one in your corner is the costliest move of all.

Misjudging the renovation math

A dated home looks like a deal until you price the roof, HVAC, pool, and full modernization honestly. Underbudget the reno and the bargain becomes the expensive house.

Overpaying for an interior lot

A premium homesite (water, preserve, or a preferred position) carries a real, durable premium. Pay a top price for an interior lot and you are buying the weakest version of the value.

Underbudgeting the carrying costs

Two similar homes can cost very differently to own once the HOA, any CDD, insurance, and upkeep are priced in. Buyers who do not run the full monthly carrying cost misread the real number.

Skipping the systems check

An older home means older systems unless updated. Roof age, HVAC age, pool equipment, and prior renovations drive both price and insurability, and a thorough inspection matters more here than in a new build.

“

South Causeway Isle is about the lot, the water and the elevation, not a floor plan. The deal is won or lost on the frontage, the flood and insurance math, the storm history, and the seawall and dock, confirmed before you offer.

Jon Brooks · Founder, Momentum Realty

Momentum Intelligence

Momentum Buy Score.

Our proprietary 0 to 10 read across the five factors that decide how a home here buys, holds, and resells.

7.2B · Buy Score

Resale Strength7.6/10

Renovation Risk6.2/10

Location Efficiency8.2/10

Long-Term Defensibility7.8/10

Carrying Cost Advantage5.2/10

Momentum Intelligence Scores are our proprietary, qualitative assessment based on the analysis on this page, on a 0 to 10 scale. They are a framework for comparing communities, not a guarantee of future value or advice on a specific home.

Momentum Housing Intelligence

Why our read on South Causeway Isle is different.

Most pages on this community are an automated estimate wrapped in stock copy. This one is built from the live Stellar MLS feed, fourteen years of closed sales, and a renovation-by-renovation read of what actually moves value here, lot by lot. No Zestimate, no guesswork.

Live Stellar MLS feed14 years of closed salesRenovation-premium analysisLot-by-lot, no automated estimates

Jon Brooks, founder of Momentum Realty. A housing economist with a background in real estate investment banking at Deutsche Bank and consulting at Ernst & Young, who has built and analyzed Northeast Florida real estate from the ground up.

About the analyst · Our methodology

Which Lots & Views Hold Value Best

Proprietary Data · Lot Value Map

Where the value actually sits. Each home is shaded by its price per square foot (a value read, not just a price) and ringed by lot type, so you can see at a glance which pockets carry a real, durable premium and where a renovation play makes sense.

Value ($/sqft)

$261 value$401 premium

Lake / waterPreserveInterior

Fill = price per square foot; ring = lot type, inferred from listing descriptions. Sold homes are shown by realized $/sqft (lot type not always recorded). Asking and recent-sold figures from Stellar MLS; for orientation, not an appraisal.

15-Second Take

Water frontage, depth and elevation drive resale more than finishes
Confirm the homesite, frontage, bridge clearance and dock condition
Read condition and any storm-rebuild history on the specific home
Confirm flood zone, elevation and insurance for every lot
Comp the specific home, not the area average

On a low canal-front island, the homesite, its frontage and its elevation set the floor on resale while the house itself can be updated or rebuilt. Read the lot, the depth and quality of frontage, the bridge clearance and dock, and the elevation first, confirm the flood and insurance picture and any post-Helene substantial-damage status, then price the condition of the home against the closest comparable sale rather than an area average.

The 15-Second Verdict

South Causeway Isle in 15 seconds.

Best forBuyers who want a canal-front single-family home with a private dock and bay or Gulf access in a quiet, owner-occupied west St. Petersburg island.

Strong onDirect Boca Ciega Bay and Gulf access, private docks, a quiet residential character, and a short hop to the Treasure Island beaches.

WatchThe flood zone, elevation, post-Helene insurance, substantial-damage status, and seawall and dock upkeep. Confirm every waterfront and carrying-cost layer per parcel.

Sweet spotA solid or rebuilt home on higher ground with deep, protected frontage and the insurance, elevation and waterfront costs confirmed.

Not forBuyers who want low carry, an away-from-water home, a nightly-rental play, or a gated amenity master plan.

HOA, CDD & Fees

15-Second Take

Confirm there is no mandatory HOA, only a voluntary neighborhood association
Confirm whether any covenant or deed restriction applies to the parcel
Budget flood and wind insurance separately, post-Helene
Inspect and budget seawall and dock upkeep
Confirm the thirty-day minimum rental rule and any restriction

There is no mandatory homeowners association on most of the Causeway Isles; the area is served by a voluntary neighborhood association rather than a fee-bearing HOA. Confirm whether any covenant or deed restriction applies to the specific parcel before you offer; we pull the documents for any home you consider.

With no mandatory HOA, there are no bundled amenities to assume; budget your own upkeep, flood and wind insurance, and seawall and dock maintenance. Confirm the rental rules under St. Petersburg residential zoning per home.

Run Your Numbers

Tools for a South Causeway Isle buy.

Free calculators to pressure-test the real cost before you tour.

Mortgage paymentPrincipal, interest, taxes, and insurance on a specific price.Property taxPinellas County millage and the homestead picture.Rent vs buyThe breakeven on owning in South Causeway Isle.Save Our HomesProject your homestead tax cap over time.

The takeaway

Selling here is won on condition and view, not the Zestimate. The right number comes from closed comps matched to your renovation level and lot.

Selling in South Causeway Isle

Price it to your lot, water frontage, elevation and home, with the carrying cost shown.

If you are selling in South Causeway Isle, the right list price comes from recent sales matched to your lot, water frontage, elevation and the home's condition, on a low bay-front island where the setting and the storm story drive value. Clear seawall, dock, flood, elevation and insurance information is a real asset.

Momentum listings (YTD)

97.98%

Sold-to-list ratio across our market for our agents, sellers keeping more of their price.

Market average (YTD)

96.73%

The broader metro average sold-to-list ratio over the same period.

Momentum days on market

64 days

Median days on market for our listings, faster sales mean less carrying cost and stronger leverage.

Market days on market

72 days

The broader metro median over the same period.

Sold-to-list and days-on-market figures reflect Momentum Realty listings versus our market average, year to date. Your home's result depends on pricing, condition, lot, view, and preparation.

In South Causeway Isle, condition and view decide your number

Because buyers here are weighing your home against renovated comps and cross-shopping Shore Acres Bayou Grande, a home priced to the community average instead of its true condition and view either leaves money on the table or sits. A renovated kitchen, newer roof and HVAC, and a golf or lake view all deserve to show up in your price, and a buyer pool reading renovation math needs to be shown why your home is worth it. We build that case with real comps and a pricing strategy for the current market.

What is your South Causeway Isle home worth?

Get a no-obligation home value based on real comparable sales in South Causeway Isle matched to your condition, lot, and view, not an automated guess. Tell us about your home and we will personally prepare your numbers and a pricing strategy. No obligation, no spam.

See homes for sale in South Causeway Isle on the map →
Or get your South Causeway Isle home value & selling guide →

Real comps, not a Zestimate.

How much local inventory is already under contract

22% of homes for sale in ZIP 33707 are already under contract (under contract ÷ under contract + active listings) — a read on how much of the available inventory buyers have already claimed. Source: MLS data (2026-06-25).

South Causeway Isle St Petersburg Market Scorecard

Strong seller's market

South Causeway Isle St Petersburg is currently a strong seller's market. About 1.7 months of supply, a median asking price of $1,648,000, and homes go under contract in about 140 days.

1.7

Months supply

$1,648,000

Median list

$791,000

Median sold

$577

Per sqft

140

Days on mkt

1/1/7

Active/Pend/Sold

Typical home value in the 33707 ZIP is $363,707, about 6.7% above the Florida norm (Zillow Home Value Index).

Go deeper: ZIP market scorecard · county scorecard · true cost calculator · affordability calculator.

Live data: Stellar MLS, distributed by MLS GRID, refreshed twice daily. Typical value: Zillow Research. Market metrics only; these describe homes for sale and recent sales, not residents.

Frequently Asked Questions

Where is South Causeway Isle located?

South Causeway Isle is a waterfront single-family island in the Causeway Isles on the far west side of St. Petersburg, FL (ZIP 33707), Pinellas County, on the canals and open water of Boca Ciega Bay just before the Treasure Island Causeway.

What kind of homes are in South Causeway Isle?

Mostly single-story, single-family canal-front homes dating from the mid-1950s onward, many with private docks and direct bay or Gulf access. Confirm the specific size, year built, condition, elevation and lot for any home.

Does South Causeway Isle have water access?

Yes, most homes are canal-front with private docks and direct access to Boca Ciega Bay and the Gulf. Frontage, depth, bridge clearance and dock condition vary by parcel, so confirm exactly what a specific home offers and the condition of the seawall and dock.

Does South Causeway Isle have an HOA?

There is no mandatory homeowners association on most of the Causeway Isles; a voluntary neighborhood association serves the area. Confirm whether any covenant or deed restriction applies to the specific parcel before you offer.

Can I run a short-term vacation rental in South Causeway Isle?

This is a quiet, owner-occupied residential island, not a nightly-rental zone. St. Petersburg residential zoning carries a thirty-day minimum lease term, with limited exceptions, so short stays are not the norm here. Confirm the exact city rules and any deed restriction for the specific parcel before assuming a rental plan.

Is South Causeway Isle in a flood zone?

Low bay-front island lots like these are typically in flood zones, and zones are parcel-specific. Confirm the flood zone, the finished-floor elevation, and current flood and wind insurance quotes for the specific home.

How did Hurricane Helene affect South Causeway Isle?

Helene drove record storm surge into the low west St. Petersburg islands in September 2024, and the Causeway Isles were hit hard. Ask whether the specific home was flooded or substantially damaged, what was rebuilt or remediated, and what the fifty-percent rule may require, all confirmed in writing.

What is the fifty-percent substantial-damage rule?

Under federal flood rules adopted locally, if storm damage or improvements reach fifty percent of a structure's value, the home may have to be brought up to current flood-elevation standards. Confirm any substantial-damage or substantial-improvement determination on the specific home.

What does a home in South Causeway Isle cost?

We do not publish a price figure here. Pricing tracks the specific lot, water frontage, elevation and home. Confirm current pricing on the live listings on this page; we pull exact comps before you offer.

What schools serve South Causeway Isle?

The island is in Pinellas County Schools, with assignment by address and a county choice and application process. Confirm the current zoned and choice options for any specific home with the district.

How far is the beach from South Causeway Isle?

The Gulf beaches at Treasure Island are a short drive west across the Treasure Island Causeway, roughly five to ten minutes depending on the exact home and traffic, with St. Pete Beach also close by.

What is the Causeway Isles area like?

It is a quiet, owner-occupied cluster of low waterfront islands on the far west edge of St. Petersburg, with single-family homes, private docks, and a boating-oriented, residential character close to the Gulf beaches.

Is now a good time to buy in South Causeway Isle?

Inventory is thin, varied and shaped by storm recovery, so it depends on the specific lot, elevation and home. We pull live inventory and comps so you can judge value and the full carrying cost.

Is South Causeway Isle a good place to buy?

It can be, for a buyer who wants a canal-front single-family home with a dock and bay or Gulf access and who confirms the flood, elevation, insurance, storm history and seawall and dock picture. We pull live inventory and comps so you can judge value on the actual property.

Do I need my own agent to buy in South Causeway Isle?

Yes. The listing agent works for the seller. Your own agent confirms the lot, the flood zone and elevation, the insurance and storm history, any substantial-damage status, the seawall and dock condition, and the rental rules, pulls true comps, and negotiates for you. Momentum Realty represents you, not the seller.

The Verdict

Should you buy in South Causeway Isle?

An honest fit check. We will tell you when it is not your community.

You want a canal-front single-family home with a private dock and bay or Gulf accessExcellent fit

You value a quiet, owner-occupied island close to the Gulf beachesExcellent fit

You want water access and are ready to maintain a seawall and dockExcellent fit

You will confirm flood zone, elevation and post-Helene insurance per parcelExcellent fit

You want a short drive to the Treasure Island and St. Pete beachesExcellent fit

You want a low-maintenance, low-carry home away from the waterProbably not

You plan nightly or weekly vacation rentals as the useProbably not

You will not confirm flood, elevation and waterfront upkeep costsProbably not

You want a gated, amenity-rich master planProbably not

You want the lowest possible monthly carryProbably not

Get the inside read on South Causeway Isle

Whether you are buying a renovation project, comparing the lots and views, weighing the carrying costs, or selling your South Causeway Isle home, tell us what you need. Every inquiry comes straight to us. We represent you, not the seller, and what your agent is paid is negotiable and set in a written buyer agreement up front. No obligation, no spam, no high-pressure follow-up.

You are all set.

A Momentum Realty South Causeway Isle specialist will reach out personally, usually the same day.

Thinking about hiring an agent here? How to find the best real estate agent in South Causeway Isle — what to look for, questions to ask, and your local expert.

Photography on this page is sourced from active and recently sold MLS listings in this community and remains the property of the listing brokerage and/or photographer. Listings courtesy of Stellar MLS as distributed by MLS GRID. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing; deemed reliable but not guaranteed by MLS GRID.

South CausewayIsle Homes for Sale in St. Petersburg, FL

The 60-Second Overview

Who South Causeway Isle is best for.

Best for

Probably not for

How South Causeway Isle is performing right now

Homes For Sale Right Now in South Causeway Isle

South Causeway Isle on the map.

How far is everything?

Nearby Communities

Schools

Recent Developments in South Causeway Isle

Hurricane Helene storm surge reshaped the carrying cost

Waterfront frontage and Gulf access drive value

Flood and wind insurance is a heavy cost layer

Owner-occupied island under a thirty-day rental minimum

Hurricane Helene drives record storm surge into St. Petersburg

St. Petersburg begins damage assessment after Helene

The South Causeway Isle buying strategy.

The full read, only if you want it.

What your money buys in South Causeway Isle.

What ~$791K buys here.

Renovation & Resale Intelligence

The renovation premium.

The lot premium.

How well South Causeway Isle holds value.

5 Mistakes Buyers Make in South Causeway Isle

Calling the listing agent

Misjudging the renovation math

Overpaying for an interior lot

Underbudgeting the carrying costs

Skipping the systems check

Momentum Buy Score.

Why our read on South Causeway Isle is different.

Which Lots & Views Hold Value Best

South Causeway Isle in 15 seconds.

HOA, CDD & Fees

Tools for a South Causeway Isle buy.

Price it to your lot, water frontage, elevation and home, with the carrying cost shown.

In South Causeway Isle, condition and view decide your number

What is your South Causeway Isle home worth?

Price History: What Homes Here Have Actually Sold For

South Causeway Isle St Petersburg Market Scorecard

Frequently Asked Questions

Should you buy in South Causeway Isle?

Get the inside read on South Causeway Isle

You are all set.

Need to sell fast in Pinellas County?

You just read the data. Now see what your home is worth.

South Causeway
Isle Homes for Sale in St. Petersburg, FL