Horizon Marine

Service Areas / Plant City

Docks, Seawalls & Shoreline Work in Plant City

From the private 65-acre Walden Lake to the reclaimed-phosphate water of Medard Reservoir and the Turkey Creek corridor, we build to what's actually in the Plant City ground.

Plant City lakes we work

Walden LakeEdward Medard ReservoirLake Thonotosassa

Plant City water sits on top of Bone Valley. The phosphate that built this county also disturbed the ground under its lakes — reclaimed pits, spoil banks, and soft muck bottoms that move under a piling or a seawall sheet in ways a natural sand-bottom lake never would. Walden Lake, the 65-acre private centerpiece of Plant City's biggest waterfront neighborhood, is calm, low-fetch residential water. Edward Medard Reservoir to the south is a roughly 770-acre former phosphate pit, diked off in 1970 and now a county park and serious bass fishery — productive water sitting on an organically rich, unstable bottom that punishes a stock foundation spec. Lake Thonotosassa, off to the west on the county line, runs bigger and carries more boat traffic than either.

Horizon Marine builds and repairs docks, seawalls, and shorelines on these waters. Post-mining soil is soft, compressible, and prone to settling, so we drive piling deeper and set seawall embedment by what's in the ground rather than by a template. The waterfront here is mostly modest-to-mid-range residential, and the work tends to run practical and built-to-last — which is exactly how we'd build it anyway.

Our license is SCC131154313 — state certified through the Florida DBPR, not county registered. Vince Strawbridge oversees every Plant City project from the first walkthrough to the last.

What We Build in Plant City

Three ways we work your shoreline

Docks in Plant City

Walden Lake's private, low-wake water is about as forgiving as Plant City dock-building gets — protected fetch, calm surface, and a community that watches what goes in. Medard and the Turkey Creek bottoms are the opposite problem: soft reclaimed-phosphate spoil that needs deeper piling embedment than any natural-bottom lake. We build on both, and we probe the substrate and call it out before the contract, so nothing shifts on you after the first wet season.

How we build it →

Seawalls in Plant City

The organic muck and soft post-mining soil along these shorelines are harder on a seawall than clean lake sand. On Plant City freshwater we push vinyl sheet pile — it doesn't corrode, doesn't take on moisture, and outlasts steel or concrete in the waterlogged, organically active ground around reclaimed phosphate land. We set embedment depth to what the soil actually is, going longer where the bottom is soft to get below the weak material and resist scour.

How we build it →

Shoreline & Erosion Control in Plant City

On the smaller ponds, drainage swales, and the more naturalized stretches of Turkey Creek, riprap and native-vegetation living shoreline usually beats a hard wall: it costs less, holds better in soft compressible soil that would settle behind a seawall, and clears SWFWMD permitting more easily. When you've got erosion and seepage rather than real wave energy, a vegetated bank is the right call on most Plant City water.

How we build it →

Plant City Permitting

Who permits your project

Plant City is one of only three Hillsborough municipalities that runs its own building permits — so a parcel inside the incorporated city limits goes through the City of Plant City Building Department. Step outside into unincorporated Hillsborough County (the Turkey Creek corridor, areas east toward Durant) and you're with Hillsborough County Development Services instead. A Plant City mailing address doesn't settle it; the Property Appraiser's tax-district line does. On top of the building permit, work in, on, or over a lake or wetland needs an Environmental Resource Permit (ERP) or exemption from SWFWMD, and the Environmental Protection Commission of Hillsborough County (EPC) reviews anything touching wetlands. We pin down which jurisdiction you're in before we put a shovel in the ground.

Single-family docks under 500 sq ft are often exempt from Florida DEP review, but the local building permit still applies — and seawall and shoreline work on the water frequently triggers DEP or SWFWMD review on top of it. We handle the entire path. You don't contact the agencies.

Permitting authority

City of Plant City Building Department

We confirm jurisdiction by your exact address before filing anything — the city line runs through more neighborhoods than people expect.

Building on the water in Plant City?

Free waterfront assessment · License #SCC131154313

Service Area

Waterfront areas we serve in Plant City

Walden LakeTurkey Creek corridorCoronet / Mount EnonImprovement League of Plant CityKnights Community Club

Outside Plant City? See all the areas we serve →

FAQ

Plant City questions

My property is in the Walden Lake community — do I pull a city permit or a county permit for a dock?+

Plant City runs its own building department, so if your parcel is inside the incorporated city limits, the City of Plant City Building Department handles the permit. Most of Walden Lake sits within city limits, but a Plant City address alone doesn't prove it — check the tax-district line on the Hillsborough County Property Appraiser record. If it lands in unincorporated county, you're with Hillsborough County Development Services instead.

Does Walden Lake need HOA sign-off on top of the building permit?+

Yes. The Walden Lake Community Association governs the lake and runs its own architectural review, so you'll need WLCA approval alongside the city permit. Start that conversation early — it can run parallel to the permit, but it shouldn't be an afterthought.

What makes building on Medard Reservoir different from a normal lake?+

Medard is a diked-off phosphate pit, so the near-shore soil is old mine spoil — soft, compressible, and organically active, and it can change character over a short run of shoreline. Piling needs deeper embedment than a sand-bottom lake to reach competent material. We probe before we drill rather than assume the bottom is uniform.

Which water management district covers Plant City, and what does that mean for permits?+

Plant City is in the Southwest Florida Water Management District (SWFWMD). Any dock, seawall, or shoreline work in, on, or over surface water or wetland needs an Environmental Resource Permit (ERP) from SWFWMD — or a written exemption. The Environmental Protection Commission of Hillsborough County (EPC) also holds wetlands jurisdiction here and reviews work in wetland areas.

Is vinyl the right seawall on a Plant City freshwater lake?+

Yes — on freshwater, vinyl is what we push. It doesn't rust, doesn't absorb moisture, and in the organic-rich post-mining soil around Plant City it outlasts steel or concrete. We don't put steel sheet on a freshwater lake.

How far is Horizon Marine from Plant City?+

We're based in Lakeland, about 20 miles southeast up I-4. Plant City sits squarely in our regular service area across Hillsborough and Polk counties.

Free Plant City waterfront assessment

Planning a dock, a seawall, or fixing an eroding bank — or just figuring out what's possible on your shoreline? We'll come take a look at no charge.

(863) 934-6218

State Certified Marine Contractor · License #SCC131154313 · Fully insured · Serving Plant City & Central Florida