Summer Island
Homes for Sale in St. Augustine, FL

Summer Island market snapshot (as of November 12, 2026): the median sale price is about $952K ($356 per sq ft over the trailing 12 months of closed sales), a median 92 days on market for closed sales, and 9.0 months of supply, a buyer-leaning market.

In ZIP 32080 (St. Augustine), 402 homes closed in the last 12 months at a median of $518K ($343/sq ft), down 2.4% year over year, with a median 47 days on market. Right now 147 active and 26 pending listings put supply at about 4.4 months — a balanced market. See the live ZIP 32080 housing market and the St. Johns County market.

County records show 9 qualified sales in Summer Island across 2024–2025 (6 in 2024, 3 in 2025), median $1.10M — the last recorded sale per parcel on the Florida DOR 2025 assessment roll, independent of the MLS.

Flood zones in Summer Island: of 8 listing addresses checked against the FEMA National Flood Hazard Layer, 88% sit outside the FEMA Special Flood Hazard Area (Zone X); 12% are in an A-series high-risk zone where flood insurance is required with a federally backed mortgage. Individual parcels vary - verify any specific address at msc.fema.gov. See flood zones by neighborhood in St. Augustine.

Summer Island is a community of 86 homes in St. Augustine, St. Johns County, built between 1990 and 2023 (median 1996.0), with a median living area of about 3,191 square feet. 62% of parcels are homesteaded, the owner-occupancy proxy in the Florida DOR assessment roll (2025 roll, public records).

Summer Island is a gated boating community in St. Augustine built around water access — a boat launch, boat dock, and beach access anchor a resort-style amenity set that also includes tennis, pickleball, and a clubhouse, positioning it as one of the higher-priced, lower-inventory pockets of the St. Johns County market.

• W. D. Hartley Elementary School · Public PreK-5
• Gamble Rogers Middle SchoolFLDOE grade A · Public Middle 6-8
• Pedro Menendez High SchoolFLDOE grade B · Public High 9-12

Grades are official Florida Department of Education school grades for 2025-26. Assignments are reported as of the 2025-26 year and can change; always confirm with St. Johns County Public Schools for a specific address.

Buying with schools in mind? We can confirm the exact zoned schools for any Summer Island address.

Summer Island's amenity list reads like a private resort: clubhouse, pool, tennis courts, pickleball, shuffleboard, a playground, a basketball court, a boat launch, a boat dock, and beach access, all behind a security gate. That combination of water access and gated privacy is unusual to find together in one St. Johns County community, and it shows up directly in the numbers — a median price of $1,100,000 and $373 per square foot.

Only three homes are active right now, which is a thin enough pool that a single listing can swing the community's median in either direction. Pair the 18-month supply figure with a 14-day median days-on-market and the read is not an inventory glut — it's a market where correctly priced, amenity-backed homes sell quickly while overpriced or dated listings sit and inflate the supply count. The 127% price appreciation since 2012 confirms the longer-term trend: this has been a steadily appreciating address, not a speculative spike.

With only three active listings, off-market relationships and same-day showing access matter more in Summer Island than in a community with dozens of comparable homes. Momentum tracks pricing and days-on-market inside this gate closely enough to tell a buyer or seller, before they commit, whether a specific listing is priced to the community's $373-per-square-foot median or asking a premium the current 18-month supply may not support.

Confirm the current HOA dues, exactly what they cover, and any CDD bond or special assessment for a specific address before you offer.