Island South
Homes for Sale in St. Augustine, FL
All 1,277 homes for sale in St. Augustine, FL · median $481,997 · 139 condos for sale in St. Augustine · 173 homes for sale in 32080 · St. Johns County homes for sale
True comps, carrying-cost math, and listings before the portals.
Photo courtesy of WATSON REALTY CORP · via realMLS
As of October 2026, the MLS records 13 closed sales in Island South in St. Augustine, FL since 2009, the most recent in May 2026. Across St. Augustine as a whole, 2,493 homes closed in the last 12 months at a median of $430,000, 48 median days on market, with 1,282 homes for sale today. At that median and St. Johns County's FY2025-26 rate of 13.47 mills, annual property tax runs about $5,790 ($5,270 with the full homestead exemption).
Island South sits within the St. Augustine market in St. Johns County, and pricing here tends to be driven more by the condition and specifics of the individual home than by any single neighborhood benchmark. Because the spread can be wide, two homes on the same street can trade very differently depending on updates, layout, and how they show.
For a buyer, that means the work is in the comparison — reading each listing on its own merits rather than assuming a going rate. For a seller, it means condition and presentation carry real weight; a well-prepared home tends to separate itself, while deferred maintenance shows up quickly in buyer feedback and time on market.
Figures in this note are as of July 12, 2026. The live market numbers elsewhere on this page update nightly and are newer.
Nearby homes for sale
No active listings inside Island South right now. These are the 6 closest homes on the market, by straight-line distance from the community's center; some may sit just outside its boundary.
Listing data from the MLS feeds named on each listing page; deemed reliable but not guaranteed. Refreshed nightly.
The 60-Second Overview
Island South is a St. Augustine community in St. Johns County where the price you pay is tied closely to the specific home you choose rather than a flat neighborhood rate.
realMLS (Northeast Florida) sales records identify 11 homes in Island South that have changed hands since 2009, built between 1983 and 2010 (median 1983), with a median living area of about 1,000 sq ft and a typical 2-bedroom, 2-bath layout; 82% are condominiums. Source: realMLS (Northeast Florida) closed-sale history compiled by Momentum Research; counts reflect homes with a recorded MLS sale, not every home in the community.
County records show 8 qualified sales in Island South across 2024–2025 (6 in 2024, 2 in 2025), median $324,900 — the last recorded sale per parcel on the Florida DOR 2025 assessment roll, independent of the MLS.
Pre-construction details are compiled from public records, builder announcements and builder listings, and are subject to change without notice; figures are deemed reliable but not guaranteed. Momentum Research figures are our own analysis. This page describes homes, pricing and community attributes, not residents.
The setting & the homes.
Aerial and on-site photos of Island South. Swipe to explore the community.
Swipe or use the arrows → tap any photo to enlarge
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Island SouthPhotos from realMLS listings in Island South; content deemed reliable but not guaranteed.
Who Island South is best for.
Best for
- Buyers who want a St. Augustine, St. Johns County location and are ready to shop home by home
- Buyers who will do the legwork to compare condition and finish rather than assume a set rate
- Sellers prepared to invest in presentation to stand out in a wide-spread market
Probably not for
- Buyers who want a tightly banded, predictable price for every home
- Buyers unwilling to evaluate condition differences before making an offer
- Sellers hoping to list as-is and still command top of the range
The market around Island South
Island South is too small for its own price trend, so here is the market around it.
In ZIP 32080, 223 homes are on the market and 11% are under contract — a slower corner of St. Augustine.
Across St. Johns County, 2,089 homes are active and 883 pending (30% under contract).
In ZIP 32080 (St. Augustine), 485 homes closed in the last 12 months at a median of $468K ($338/sq ft), down 5.2% year over year, with a median 43 days on market. Right now 131 active and 17 pending listings put supply at about 16.9 months — a soft market. See the live ZIP 32080 housing market and the St. Johns County market.
ZIP and county figures describe the wider market, not Island South specifically. Momentum Research analysis of MLS records.
The Island South buying strategy.
If we were buying in Island South today, this is the order of operations we would run for our clients.
Underwrite the condition first. Price the roof, HVAC, and systems honestly before judging any list price; condition swings value here more than square footage alone.
Match the home to real comps. Recent sales of similar condition and lot, not the asking price, tell you what a home is worth.
Move deliberately, not desperately. Neither side has a decisive edge, so a well-prepared, fairly-priced offer wins without overpaying.
Line up financing and inspection early. A pre-approval and an inspection plan let you act fast and negotiate from evidence.
Keep an agent in your corner. The listing agent works for the seller; we represent you and prepare a hand-built valuation before any offer in Island South.
How to read Island South
This is a community best understood home by home. Rather than a tight, predictable price band, you are looking at a range that reflects differences in size, condition, and finish. That rewards buyers who take the time to tour and compare, and it rewards sellers who invest in getting a home genuinely ready before it lists.
Location does the heavy lifting on lifestyle here: this is St. Augustine, in St. Johns County, with the coastal city's amenities within reach. Beyond that, we would rather point you to the specific home and its particulars than make sweeping claims we cannot back with the snapshot in front of us.
The location and the amenities are priced into every listing in Island South. The deal is won or lost on condition, the comps, and the renovation math.
Why work with Momentum here
In a community where value is condition-driven and the spread is wide, our job is to read each listing honestly and tell you where a home sits relative to what it's actually asking. We work Island South and the wider St. Augustine market closely, and we would rather talk you out of the wrong house than push you into it.
Island South in 15 seconds.
Tools for a Island South buy.
Free calculators to pressure-test the real cost before you tour.
Selling here is won on condition and pricing to real comps, not an automated estimate. The right number comes from closed Island South sales matched to your home.
Price it to the comps and condition, not an automated estimate.
If you are thinking about selling in Island South, the right list price comes from recent comparable sales matched to your home's condition and location, not an automated estimate.
What is your Island South home worth?
Get a no-obligation home value based on real comparable sales in Island South, 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 all homes for sale in St. Augustine →
Recently off market in Island South
Homes in Island South that recently left the market. Each address opens its public-record profile: county-recorded value, property taxes, the last recorded sale, community sales history, and what is for sale nearby now. 1 on record.
- 620 A1A Beach Boulevard #30 · off market
Housing distress & ownership in Island South, St. Augustine
Who owns here, how much is not owner-occupied, and how much for-sale inventory is under distress.
Source: Momentum Realty Research. Ownership & parcels from the FL DOR 2025 tax roll; distress from MLS active-listing status/remarks; price from MLS closed sales. Source: Data provided by realMLS. Deemed reliable but not guaranteed.
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St. Augustine guides & data
- Market data
- Cost of living
- Best neighborhoods (ranked by data)
- Best neighborhoods
- Flood zones
- Property taxes (St. Johns County)
- Homestead exemption (St. Johns County)
- New construction
Florida buyer guides
- Florida home insurance rates by county
- Florida property tax by county
- Florida property tax calculator
- What flood zone X means
- The 4-point inspection, explained
- Florida flood insurance calculator
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Email me new listings in Island South
One e-mail a day, only when a home lists here, with price, beds, baths and a link to every listing. Straight from the MLS feed; no account needed.
Ask an agent about Island South
Have a question about the homes, fees, rules or commute here? A Momentum agent who works Island South will answer, and the answer is published on this page for the next buyer.
Frequently Asked Questions
How many homes are in Island South?
What share of Island South is owner-occupied?
When were the homes in Island South built?
Who is the best real estate agent for Island South?
How do I find a top St. Augustine real estate agent who knows Island South?
Can Momentum Realty connect me with an agent for Island South?
Where is Island South, and what county is it in?
How far is Island South from downtown Jacksonville and the beach?
Should you buy in Island South?
An honest fit check. We will tell you when it is not your community.
Data sources & freshness
| Live listings | realMLS, refreshed twice daily (last: October 20, 2026) |
| Housing stock & ownership | Florida DOR assessment roll (street-list match (1 streets, ZIP 32080)) |
| Under-contract shares | realMLS records, as of 2026-10-20 |
| Historical depth | Closed-sale records back to 2009 (13 transactions analyzed) |
Verify the primary sources yourself: Florida DOR · U.S. Census · FEMA flood maps · Citizens Property Insurance.
Momentum Research figures are our own analysis of realMLS records; MLS data is deemed reliable but not guaranteed. Methodology: how Momentum market scores are computed. Market metrics describe homes for sale and recent sales, not residents.
Own a home here?
You just read the data. Now see what your home is worth.
The numbers on this page move markets in the aggregate. The number that matters to you is what a buyer pays for your address. Momentum sells for 1.25% above the realMLS member average and 8 days faster, and we’ll price yours against live local comps.
Looking to buy here? Search homes for sale →
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A real valuation with real comps from a local listing agent, not an instant algorithm. Response within one business day.
See how Island South fits the bigger picture — live prices, inventory, and Momentum Scores:
Nearby Communities
Explore more neighborhoods near Island South with Momentum Realty’s local guides.
Schools serving nearby communities
We do not have a confirmed school assignment for Island South. These are the public schools most often assigned to other communities in ZIP 32080; zones change and vary by address, so confirm with the district before you buy.
- St. Augustine High School · High · FLDOE grade A (assigned to 25 nearby communities)
- Sebastian Middle School · Middle · FLDOE grade A (assigned to 17 nearby communities)
- R.B. Hunt Elementary School · PreK-5 (assigned to 12 nearby communities)
- R. B. Hunt Elementary School · Elementary · FLDOE grade A (assigned to 8 nearby communities)
- Gamble Rogers Middle School · Middle 6-8 · FLDOE grade A (assigned to 8 nearby communities)
Assignments from district data for neighboring communities; grades are official Florida Department of Education school grades (2025-26).