South Causeway Isle
St. Petersburg Homes for Sale

Residential finger-island neighborhood · St. Petersburg · Pinellas County

A residential single-family finger island on Boca Ciega Bay off the Treasure Island Causeway, built for owner-occupied waterfront living, not a wall of vacation rentals.

Residential finger-island livingSingle-family, owner-occupiedBoca Ciega Bay waterfront

Live Market Pulse

50/100
Momentum

Buyer-Leaning Market (limited data)

South Causeway Isle is a low-elevation finger-island neighborhood on Boca Ciega Bay off the Treasure Island Causeway. The read is the elevation and flood zone, the seawall and any dock, the 2024 storm-surge and St. Petersburg 49 percent rule picture, the insurance quote, and the city short-term-rental rules for the specific parcel.

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

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Supply

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Seller Leverage

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Jon's Current Read

"South Causeway Isle is a residential single-residential neighborhood on the South Causeway Isles finger islands in St. Petersburg, dredged and filled on Boca Ciega Bay off the Treasure Island Causeway, where local sources trace the broader Causeway Isles development to about 1956 onward. The character is owner-occupied and residential, served by a neighborhood association rather than a wall of transient rental towers, which sets it apart from the beach tourist-rental zones to the west. Many lots are waterfront with private docks and direct intracoastal access, and the area is generally described as having no fixed bridges out to open water. The buy is about the water and the risk in both directions: elevation, flood zone, seawall and any dock condition, the post-2024 substantial-damage picture under the St. Petersburg 49 percent rule, and a real insurance quote are the central diligence items. St. Petersburg also prohibits rentals under 30 days in most residential zones, allowing only up to three short rentals per year, so do not assume any nightly-rental use here. Confirm the association, flood zone, and substantial-damage status per parcel."

Jon Brooks, founder, Momentum Realty · Updated June 2026

The 60-Second Overview

South Causeway Isle is a residential single-residential neighborhood on the South Causeway Isles finger islands in St. Petersburg, a Pinellas County city, with the main ZIP 33706 on this western, waterfront edge. It sits on Boca Ciega Bay off the Treasure Island Causeway, between the mainland and Treasure Island.

Local sources describe the Causeway Isles community as dating to about 1956, built through dredge-and-fill work as demand for waterfront property grew, with much of the housing stock established from the mid-1950s through the 1960s and later. The housing is single-family, a mix of midcentury homes, updated homes, and modern rebuilds, and the neighborhood is generally characterized by owner-occupied pride of ownership served by a neighborhood association rather than the transient-rental character of the beach tourist zones.

St. Petersburg regulates short-term rentals tightly. Rentals under 30 days are generally prohibited in most residential zones, with the city limiting short rentals to three per year and stepping up enforcement against illegal listings. Verify the exact zoning and rental rules for the specific parcel before assuming any short-term use.

The defining diligence item is coastal risk. St. Petersburg took major storm surge from Hurricane Helene in 2024, followed by Hurricane Milton, with widespread flooding across low-lying waterfront neighborhoods and the city enforcing its 49 percent rule on rebuilds in flood hazard areas. Flood zone, elevation, seawall and any dock condition, substantial-damage status, and insurance cost must all be verified for the specific home.

Quick Match

Who South Causeway Isle is best for.

Best for

Buyers who want a residential, owner-occupied finger-island neighborhood near the water, not a rental block
Boaters who value direct Boca Ciega Bay and intracoastal access from a private dock
Buyers who will rigorously read elevation, flood zone, seawall, and insurance
Buyers prepared for the St. Petersburg 49 percent rule and post-2024 rebuild reality

Probably not for

Buyers who want low coastal insurance cost and minimal storm risk
Buyers seeking an unrestricted nightly vacation-rental investment in a residential zone
Buyers who want new construction inland on higher, drier ground
Buyers unwilling to inspect and maintain a seawall and any dock

Market Pulse

How South Causeway Isle is performing right now

50/100
momentum

Buyer-Leaning Market (limited data)

Seller's marketBalancedBuyer's market

0Months of supplytight

56Median days on marketdays

0 : 0Under contract vs for salestrong demand

0Sold in last 12 monthsliquidity

+127%Median price since 2012appreciation

+0%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 24, 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 Vina del Mar 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 now0 : 0active : pending

For sale0

Pending0

Sold 12mo0

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.

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 water is at your back door, with the Treasure Island and St. Pete Beach Gulf beaches minutes west across the causeway, while Central Avenue and I-275 carry you east toward downtown St. Petersburg and on to Tampa.

Drive times from South Causeway Isle. The neighborhood sits on the South Causeway Isles finger islands in St. Petersburg, on Boca Ciega Bay off the Treasure Island Causeway.

Treasure Island Gulf beach~5 to 10 min · west across causeway

Treasure Island Causeway (to beach)~3 to 5 min · main route to the islands

St. Pete Beach and Gulf Blvd~10 to 15 min · south on the beaches

Downtown St. Petersburg~15 to 25 min · via Central Ave

I-275 interchange~12 to 18 min · to Tampa and points north

Tampa Int'l Airport (TPA)~45 to 60 min · via I-275 and bridges

Downtown Tampa~50 to 65 min · via I-275

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

Nearby Communities

Explore more neighborhoods near South Causeway IsleSt with Momentum Realty’s local guides.

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.

Public

Pinellas County Public Schools (verify by address)

Verifyrating

By address

Confirm zoned elementary, middle, and high

Verifyrating

Choice

Magnet and choice options may apply

Verifyrating

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 in South Causeway Isle and St. Petersburg: the 2024 hurricane surge and recovery, the city 49 percent rule, the permitting and rebuild policy, and the short-term-rental framework. Each item is sourced and linked.

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 OutlookBullishA residential, owner-occupied waterfront character and direct intracoastal access support value, but the central reality is storm surge, flood exposure, the 49 percent rule, and rising insurance. Recovery policy and elevated rebuilds are reshaping the housing stock.

Hurricane Helene storm surge and recovery

2024

BearishMajor impact

SignificanceRadius: Community

Major 2024 surge across low-lying St. Petersburg waterfront makes elevation, seawalls, and insurance the central risk and is reshaping the island housing stock.

St. Petersburg 49 percent rule on flood-hazard rebuilds

2024

BearishMajor impact

SignificanceRadius: Community

The city enforces a 49 percent rule, slightly stricter than FEMA, so many storm-hit homes must elevate or rebuild, a defining diligence item for each parcel.

St. Petersburg permitting and rebuild policy

2025

NeutralNotable impact

SignificanceRadius: Area

Storm-damage permit fee waivers ran through mid-2025 and a stricter permitting process support recovery but signal the scale of the 2024 damage.

Short-term-rental restrictions in residential zones

2024

NeutralNotable impact

SignificanceRadius: Area

Most residential zones prohibit rentals under 30 days, capped at three short rentals a year, and the city is increasing enforcement, so rental-use assumptions must be verified per parcel.

Residential waterfront and owner-occupied character

Ongoing

BullishNotable impact

SignificanceRadius: Community

Direct intracoastal access and the single-family, owner-occupied character keep residential and boater demand steady despite the coastal risk.

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 ↓

July 2025
Recovery
St. Petersburg storm-damage permit fee waiver winds down
The City of St. Petersburg's waiver of building permit fees for repairs from Hurricanes Helene and Milton ended July 31, 2025, while permits remained required for storm repairs in flood hazard areas under the city's floodplain rules. Why it matters: The end of the waiver and the continued permit requirement underscore the scale of the 2024 damage and the 49 percent rule rebuild reality. Source
November 2024
Policy
St. Petersburg reaffirms 49 percent rule for flood hazard properties
The City of St. Petersburg reminded residents that permitting is required to rebuild homes hit by Helene and Milton and that, under the 49 percent rule, repairs and improvements reaching 49 percent of a home's pre-storm market value trigger current floodplain and elevation requirements. Why it matters: The 49 percent rule, slightly stricter than the FEMA standard, is the defining rebuild constraint for flood-zone homes on these finger islands. Source
September 2024
Storm
Storm surge from Helene floods St. Petersburg waterfront
Storm surge from a distant Hurricane Helene of more than six feet inundated low-lying St. Petersburg and Tampa Bay waterfront neighborhoods, with widespread flooding across barrier islands and bayfront communities. Why it matters: The surge confirms the low-elevation flood and insurance reality that defines the buy on these finger islands. 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.

Pull the FEMA flood zone, the elevation certificate, and any substantial-damage determination for the specific home before anything else.

Inspect the seawall and any dock or boat lift thoroughly, including condition and repair history.

Get real flood and wind insurance quotes early, since they are a major ongoing cost on this low-lying waterfront.

Verify the city short-term-rental rules and zoning for the parcel, since most residential zones prohibit rentals under 30 days.

Check post-2024 repairs and elevation work to code, given the 2024 surge and the St. Petersburg 49 percent rule.

The Quick Decision

Best Buy

A solid finger-island home with a sound seawall, documented elevation, clean substantial-damage status, and a workable insurance quote

Biggest Risk

Storm surge, flood insurance, the 49 percent rule, and seawall or dock cost

Best Lot

A higher, drier or wide waterfront lot with a sound seawall and good intracoastal access

Smart Timing

Confirm flood zone, elevation, substantial-damage status, and insurance before you offer

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 residential single-family finger-island neighborhood in St. Petersburg, a Pinellas County city, on Boca Ciega Bay off the Treasure Island Causeway. Local history traces the broader Causeway Isles community to about 1956 and dredge-and-fill work as waterfront demand grew, with much of the stock from the mid-1950s onward. The housing is single-family, owner-occupied in character, with many lots waterfront and carrying private docks and direct intracoastal access, served by a neighborhood association rather than the beach tourist-dwelling zones. The Boca Ciega Bay waterfront, the nearby Treasure Island and St. Pete Beach Gulf beaches, and quick causeway access are the local amenities. Coastal risk, including flood zone, elevation, the 49 percent rule substantial-damage picture after 2024, and insurance cost, is the defining diligence item.

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.

The Fixer or Storm-Affected Waterfront Home

Older finger-island homes needing updates or post-2024 work, the value entry to the neighborhood. Verify the seawall, flood history, and any substantial-damage determination.

Lowest entry

The Updated Waterfront Home

Renovated single-family homes with sound seawalls and docks, the heart of the market, where water access and elevation drive price.

Most inventory

The Elevated or Wide-Water Home

Newer elevated rebuilds or wide, open-water homes with strong seawalls and quick intracoastal access, the premium tier with the best flood and insurance profile.

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 ~$900K buys here.

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

The Fixer or Storm-Affected Waterfront Home

Older finger-island homes needing updates or post-2024 work, the value entry to the neighborhood. Verify the seawall, flood history, and any substantial-damage determination.

The Updated Waterfront Home

Renovated single-family homes with sound seawalls and docks, the heart of the market, where water access and elevation drive price.

The Elevated or Wide-Water Home

Newer elevated rebuilds or wide, open-water homes with strong seawalls and quick intracoastal access, the premium tier with the best flood and insurance profile.

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.

Renovated-listing inventory in South Causeway Isle is too thin right now to compute a reliable renovation premium. We read condition home by home against real comps before you offer.

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 Boca Ciega Bay intracoastal accessStrong

Residential, owner-occupied island characterPositive

Quick beach and causeway accessPositive

Storm surge and flood exposureHigh risk

49 percent rule, seawall, and insurance costHigh risk

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.

“

The island and the water are the whole appeal and much of the risk. The deal is won on the elevation, the seawall, the 49 percent rule read, and an honest insurance quote.

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.

6.8B- · Buy Score

Resale Strength7.3/10

Renovation Risk5.0/10

Location Efficiency7.4/10

Long-Term Defensibility6.9/10

Carrying Cost Advantage5.8/10

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

Elevation sets the flood, 49 percent rule, and insurance picture
Seawall and any dock condition is a major cost item
Waterfront width and intracoastal access drive value
Direct Boca Ciega Bay access is a boater premium
Verify storm and substantial-damage history

On a finger island, the water and the seawall are the parts of the buy that set both value and risk. A higher, drier or wide waterfront lot with a sound seawall and direct intracoastal access is the prize; a low elevation, a failing seawall, or an open substantial-damage determination are where cost and risk pile up. Read the water, the seawall, the elevation, and the 49 percent rule status before the finishes.

The 15-Second Verdict

South Causeway Isle in 15 seconds.

Best forBuyers who want a residential single-family finger-island home on the water in owner-occupied St. Petersburg.

Biggest advantageA residential waterfront neighborhood with direct Boca Ciega Bay access, not a transient-rental block, off the Treasure Island Causeway.

Biggest riskStorm surge, flood insurance, and the 49 percent rule on a low-elevation finger-island lot.

Sweet spotA solid waterfront home with a sound seawall, clean substantial-damage status, and a workable insurance quote.

Avoid ifYou want low coastal insurance, higher ground, or an unrestricted nightly-rental investment.

HOA, CDD & Fees

15-Second Take

Neighborhood association, no mandatory amenity HOA typical
Boca Ciega Bay waterfront with intracoastal access
Seawall and any dock condition is critical
Flood and wind insurance is the real cost
Verify elevation and 49 percent rule status

South Causeway Isle is generally a single-residential neighborhood served by a neighborhood association rather than a mandatory amenity HOA, and there is no CDD typical of older waterfront subdivisions. Confirm per parcel with title and the property appraiser. The major recurring costs to plan for are flood and wind insurance and seawall and any dock maintenance.

Where a neighborhood association exists, it is generally civic and social in nature rather than a fee-bearing amenity HOA. Owners maintain their own homes, docks, and seawalls. Plan for flood and wind insurance based on elevation and flood zone.

No private community club. The Boca Ciega Bay waterfront, direct intracoastal access, private docks, and the nearby Treasure Island and St. Pete Beach Gulf beaches are the local amenities.

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 the water access, the elevation, and insurability, not an inland comp.

If you are selling in South Causeway Isle, the right list price reflects your lot, any water access, seawall and dock condition, your home's elevation, and its substantial-damage and insurance picture after 2024. Waterfront finger-island homes trade on the water and the risk, not inland comps.

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 Vina del Mar, 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.

South Causeway Isle Market Scorecard

Strong seller's market

South Causeway Isle is currently a strong seller's market. About 1.8 months of supply, a median asking price of $1,019,500, and homes go under contract in about 79 days.

1.8

Months supply

$1,019,500

Median list

$847,500

Median sold

$313

Per sqft

Days on mkt

6/8/41

Active/Pend/Sold

Typical home value in the 32224 ZIP is $456,759, about 13.7% above the Florida norm (Zillow Home Value Index).

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

Live data: Stellar MLS, 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?

South Causeway Isle is a residential single-family finger-island neighborhood in St. Petersburg, a Pinellas County city, on Boca Ciega Bay off the Treasure Island Causeway. The main ZIP on this waterfront edge is 33706, and the islands sit between the mainland and Treasure Island.

Is South Causeway Isle a vacation-rental area or a residential neighborhood?

It is generally characterized as an owner-occupied single-residential neighborhood with a neighborhood association, not a transient-rental block. St. Petersburg prohibits rentals under 30 days in most residential zones, limiting short rentals to three per year. Verify the exact zoning and rental rules per parcel.

Does South Causeway Isle have water access?

Many lots are waterfront on Boca Ciega Bay with private docks and direct intracoastal access, and the area is generally described as having no fixed bridges out to open water. Water access, canal or open-water orientation, depth, and clearance vary by lot, so confirm the specifics for the parcel you are considering.

Is this in St. Petersburg or St. Pete Beach?

South Causeway Isle is within the City of St. Petersburg in Pinellas County, on the South Causeway Isles finger islands off the Treasure Island Causeway, not in the separate cities of St. Pete Beach or Treasure Island. Confirm the jurisdiction and any city rules for the specific parcel.

Does South Causeway Isle have an HOA?

It is generally a single-residential neighborhood served by a neighborhood association rather than a mandatory amenity HOA, and CDDs are not typical of older waterfront subdivisions. Confirm any dues or restrictions per parcel with title.

When were the homes built?

Local sources describe the Causeway Isles community as dating to about 1956, dredged and filled as waterfront demand grew, with much of the stock built from the mid-1950s through the 1960s and later. The stock is single-family, ranging from midcentury homes to updated homes and modern rebuilds. Confirm the year built and any post-2024 work per home.

Is South Causeway Isle in a flood zone?

Yes, almost certainly. It is a low-elevation finger-island neighborhood on the bay, and St. Petersburg notes that low-lying waterfront properties sit in special flood hazard areas. Expect high FEMA flood zones and verify the specific parcel's zone, elevation certificate, and flood history.

What is the St. Petersburg 49 percent rule and why does it matter here?

St. Petersburg enforces a 49 percent rule in flood hazard areas, slightly stricter than the FEMA 50 percent standard. If the cost of repairs and improvements equals or exceeds 49 percent of a home's pre-storm market value, it generally must be elevated, rebuilt, or otherwise brought up to current floodplain standards. Verify any substantial-damage letter and cumulative-improvement status for the specific home.

What about the seawalls and docks?

Waterfront lots rely on concrete seawalls plus any private docks and boat lifts. Inspect their condition and repair history closely, since replacement is a significant cost and storms accelerate wear.

What schools serve South Causeway Isle?

St. Petersburg is in the Pinellas County School District, with area schools for this part of the city commonly including Azalea Elementary, Azalea Middle, and Boca Ciega High. Assignment is by address and can change, so confirm the exact zoning with the district.

How far is it from the beaches and downtown St. Petersburg?

The Treasure Island and St. Pete Beach Gulf beaches are a short drive west across the causeway, and downtown St. Petersburg is roughly fifteen to twenty-five minutes east via Central Avenue and local roads, depending on traffic.

How far is it from Tampa?

Tampa International Airport is roughly forty-five minutes to an hour, generally via I-275 and the bridges, with downtown Tampa a bit farther. Confirm your real commute at your real departure time.

Is insurance expensive here?

Yes. Coastal wind and flood insurance are a material, ongoing cost in this low-elevation waterfront neighborhood, and costs rose after the 2024 storms. Get real quotes for the specific home before any deadline.

Can I rent my South Causeway Isle home short-term?

Generally no for stays under 30 days. St. Petersburg prohibits short-term rentals in most residential zones, limiting short rentals to three per year and increasing enforcement against illegal listings. Verify the city rules and the parcel's zoning before assuming any nightly-rental use.

Should I use the listing agent to buy here?

No. The listing agent works for the seller. Because the elevation, flood zone, substantial-damage status, seawall, and insurance swing your real cost, having your own representation protects you.

The Verdict

Should you buy in South Causeway Isle?

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

Buyers who want a residential, owner-occupied finger-island neighborhood near the waterExcellent fit

Boaters who value direct Boca Ciega Bay and intracoastal access from a private dockExcellent fit

Buyers who will rigorously read elevation, flood zone, seawall, and insuranceExcellent fit

Buyers prepared for the 49 percent rule and post-2024 rebuild realityExcellent fit

Buyers who value the neighborhood-association character over a rental blockExcellent fit

Buyers who want low coastal insurance cost and minimal storm riskProbably not

Buyers seeking an unrestricted nightly vacation-rental investment in a residential zoneProbably not

Buyers who want new construction inland on higher, drier groundProbably not

Buyers unwilling to inspect and maintain a seawall and any dockProbably not

Buyers who cannot budget for flood and wind insuranceProbably 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 Causeway IsleSt. Petersburg Homes for Sale

The 60-Second Overview

Who South Causeway Isle is best for.

Best for

Probably not for

How South Causeway Isle is performing right now

South Causeway Isle on the map.

How far is everything?

Nearby Communities

Schools

Pinellas County Public Schools (verify by address)

Confirm zoned elementary, middle, and high

Magnet and choice options may apply

Recent Developments in South Causeway Isle

Hurricane Helene storm surge and recovery

St. Petersburg 49 percent rule on flood-hazard rebuilds

St. Petersburg permitting and rebuild policy

Short-term-rental restrictions in residential zones

Residential waterfront and owner-occupied character

St. Petersburg storm-damage permit fee waiver winds down

St. Petersburg reaffirms 49 percent rule for flood hazard properties

Storm surge from Helene floods St. Petersburg waterfront

The South Causeway Isle buying strategy.

The full read, only if you want it.

What your money buys in South Causeway Isle.

What ~$900K 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 the water access, the elevation, and insurability, not an inland comp.

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 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
St. Petersburg Homes for Sale