Flood barriers in Treasure Island.
Treasure Island sits between the Gulf and Boca Ciega Bay, so water can come from both directions. Its low barrier-island elevations make every ground-level opening a target during a storm.
Installed systems from $1,850, with a free in-home assessment.
Serving
Treasure Island, FL
Why Treasure Island floods.
Sunset Beach and the Gulf Blvd corridor take direct surge, while bay-side canals back up on high tides. A sealed garage or doorway is the difference between a dry season and a gutted first floor.
What recent storms did here
Treasure Island took some of Helene's worst 2024 surge. Homes flooded across the island and sand buried whole streets. Recovery here is still shaping how owners rebuild, and sealed openings are part of nearly every conversation. The seasons since have been quieter: 2025 brought no Florida landfall, Tropical Storm Bertha stayed offshore in July 2026, and the St. Petersburg tide gauge has peaked at 1.43 ft above normal high tide, versus Helene's 6.31 ft.
Treasure Island flood facts
| NFIP community | Treasure Island, City of (#125153) |
|---|---|
| FEMA flood zone | High-risk VE / AE coastal zones |
| Community Rating System class | Class 6 |
| NFIP discount in a high-risk zone | 20% |
| Currently effective FIRM | 08/24/21 |
| Hurricane Helene peak water level | 6.31 ft above normal high tide (NOAA St. Petersburg) |
| Hurricane Milton peak, same gauge | 1.08 ft above normal high tide |
Sources:FEMA NFIP Community Status Book ↗NOAA Tides & Currents, observed water levels ↗FEMA Community Rating System ↗NOAA National Hurricane Center, 2025 Tropical Cyclone Reports ↗NOAA National Hurricane Center, 2026 advisory archive ↗NOAA Weather Prediction Center, tropical storm rainfall ↗
Neighborhoods we protect
Why HydroDam in Treasure Island
- Specced to your flood elevation
- 6063-T6 aluminum
- Stackable storage
- Custom-fit fabrication
- U-channel post system
Pick the right series for your Treasure Island property.
Trusted across Pinellas County.
“Very professional. They made me feel heard and comfortable with the process! The installation team went beyond by making the barriers very attractive.”
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Flood barriers in Treasure Island, answered.
Do I need flood barriers in Treasure Island?
Treasure Island sits in Pinellas County and falls under High-risk VE / AE coastal zones. Sunset Beach and the Gulf Blvd corridor take direct surge, while bay-side canals back up on high tides. A sealed garage or doorway is the difference between a dry season and a gutted first floor. If your home has ground-level openings near Gulf Blvd, sealing them is the fastest way to keep surge and rising water out.
How high did the water get in Treasure Island during Hurricane Helene?
The nearest NOAA tide gauge, at St. Petersburg, recorded a peak of 6.31 feet above normal high tide just after midnight on 27 September 2024. The same gauge read just 1.08 ft during Milton two weeks later. Surge, not rainfall, is what sets protection height here.
Will flood barriers lower my flood insurance in Treasure Island?
Your address sits in Treasure Island, City of (FEMA community 125153), which holds Community Rating System class 6. That earns a 20% NFIP premium discount for every policyholder inside a mapped high-risk zone here. The discount comes from the floodplain work the community does, not from anything on your house. Your own barriers work on the other side of the ledger: under Risk Rating 2.0 premiums track your building's flood risk, and keeping water out of the structure is what prevents the claim, the deductible, and the post-claim repricing.
How much do flood barriers cost in Treasure Island?
Fabricated, installed systems start around $1,850. What moves the number in Treasure Island is how many ground-level openings you protect and the protection height your flood exposure calls for. A home near Sunset Beach sealing a front door and garage prices differently from a waterfront home protecting every opening to a higher water line. Height is specced against the FIRM in force for Treasure Island, City of, dated 08/24/21. Run the calculator for a ballpark, then book a free assessment for exact Treasure Island pricing.
How fast can HydroDam install flood barriers in Treasure Island?
Most Treasure Island installs happen within a couple of weeks of the assessment. We fabricate every barrier at our Clearwater shop to your exact openings, then mount the U-channel posts during calm weather. The visit to a Treasure Island home covers measuring, mounting, and a practice deployment. When a storm threatens Pinellas County, you drop the planks in yourself and seal a typical opening in under 10 minutes without a crew.
Can I install flood barriers myself in Treasure Island?
You can deploy them yourself, and the system is designed for that. Mounting the U-channel posts is our job: they carry the water load into your structure, and getting the anchor pattern and the sill seal right is what makes the difference between a barrier and a wet floor. Once they are up, one person drops the planks in and seals a typical Treasure Island opening in under 10 minutes, with no crew and no call-out.