Florida Aquatic Preserve Permits: Chapter 18-20 and Biscayne Bay (Chapter 18-18)
- Endless Life Design
- Jun 2
- 6 min read
Updated: 4 days ago
Building a dock, seawall, or shoreline structure in Biscayne Bay or another designated preserve means clearing a higher bar than ordinary submerged-lands work. Biscayne Bay has been held in public trust and protected for generations, and the rules treat it accordingly. Endless Life Design coordinates the heightened review these waters require before a piling is ever driven.
TABLE OF CONTENTS
What an Aquatic Preserve Is
The Rules: Chapter 18-20 and Biscayne Bay's 18-18
How Activities Are Authorized
Heightened Standards and Resource Protection Areas
The Public-Interest Test and Cumulative Impacts
How It Layers on Sovereign Submerged Lands
County and Municipality Inspection Comments for Permit Approval
Related Resources
Why Choose Endless Life Design
WHAT AN AQUATIC PRESERVE IS
An aquatic preserve is an area of sovereignty submerged land of exceptional biological, aesthetic, and scientific value, set aside under the Florida Aquatic Preserve Act, Chapter 258, Part II, Florida Statutes, to be maintained in essentially natural condition for future generations. South Florida's Biscayne Bay is among the most significant of these waters.
THE RULES: CHAPTER 18-20 AND BISCAYNE BAY'S 18-18
Chapter 18-20, F.A.C., adopted by the Board of Trustees of the Internal Improvement Trust Fund, sets the management policies, standards, and proprietary criteria for activities in aquatic preserves statewide — with one major exception. Biscayne Bay Aquatic Preserve is governed by its own Chapter 18-18, F.A.C. Both are cumulative with the sovereignty submerged lands rules in Chapter 18-21.
HOW ACTIVITIES ARE AUTHORIZED
An activity in a preserve that uses sovereign submerged lands and also requires an Environmental Resource Permit is submitted to the Department of Environmental Protection on the Joint Application that bundles the ERP, the authorization to use state-owned submerged lands, and the federal dredge-and-fill review. The proprietary authorization to use the preserve comes from the Board of Trustees.
HEIGHTENED STANDARDS AND RESOURCE PROTECTION AREAS
Preserves are divided into Resource Protection Areas reflecting the value and sensitivity of the bottom. Docking facilities and access channels are prohibited in Resource Protection Areas 1 and 2 except as narrowly allowed by statute, and dredging in Resource Protection Area 3 is strongly discouraged. Further sale, lease, or transfer of sovereignty lands is restricted to uses in the public interest.
THE PUBLIC-INTEREST TEST AND CUMULATIVE IMPACTS
Requests are evaluated case by case and weighed against a public-interest assessment and against the cumulative impact of similar activities within the preserve. The Board reserves the right to approve, approve with conditions or modifications, or deny, so the standard is meaningfully higher than for ordinary submerged-lands activities.
HOW IT LAYERS ON SOVEREIGN SUBMERGED LANDS
Aquatic-preserve review is supplemental to the ordinary sovereignty submerged lands authorization. A dock or seawall that might qualify for a standard consent of use in open water faces an additional and more demanding layer of review once it lies inside a preserve boundary.
COUNTY AND MUNICIPALITY INSPECTION COMMENTS FOR PERMIT APPROVAL
Common comments include:
Dock or access channel proposed within a Resource Protection Area 1 or 2.
Activity in Biscayne Bay analyzed under Chapter 18-20 rather than its governing Chapter 18-18.
No public-interest demonstration for the proposed use.
Cumulative impacts on the preserve not addressed.
Proprietary authorization from the Board of Trustees missing from the file.
RELATED RESOURCES
The Preserve Boundaries Drawn Across the Bay
The bay carries drawn boundaries, with the aquatic preserve designations covering the waters in defined reaches, the protected zones mapped by statute, and the waterfront project's rules determined by which side of an invisible line the work touches, the boundary checked before the design assumes ordinary water, the bay's legal geography read first.
The bay's legal geography must be read first. Endless Life Design maps your waterfront project against the preserve boundaries before the design commits. Call (305) 680-3283 for work planned on the right side of the line.
The Heightened Standard Inside the Lines
Inside the lines the standard rises, with the projects judged against an elevated public-interest test, the ordinary approvals insufficient where the preserve demands extraordinary justification, and the application built to clear a higher bar from its first page, the burden understood before the filing, the proposal framed for the scrutiny it will certainly receive.
The proposal must be framed for the scrutiny it will receive. Endless Life Design builds preserve applications to the heightened standard from page one. Call (305) 680-3283 for files designed to clear the higher bar.
The Dock Sized by the Preserve's Own Rules
The dock sizes to the preserve, with the square footage, terminal platforms, and configurations limited by provisions stricter than open waters allow, the family's pier designed inside dimensions the protection sets, and the waterfront amenity lawful at the modest scale the rules prefer, the design drawn to the preserve's arithmetic, the access granted on the water's terms.
The access is granted on the water's terms. Endless Life Design designs and permits docks inside the preserve's dimensional rules. Call (305) 680-3283 for piers lawful in protected waters. The modest design clears review faster than the maximal one ever would.
The Submerged Lands Lease Underneath
The bottom belongs to the state, with the sovereignty submerged lands under the structure leased or consented through the trustees' processes, the dock floating above a landlord most owners never considered, and the authorization layered beneath the environmental permits, the bottomland's paperwork completed because the title never transferred, the water column rented honestly.
The water column is rented honestly through the trustees. Endless Life Design secures the submerged lands authorizations your over-water structures stand on. Call (305) 680-3283 for projects lawful down to the bottom.
The Seagrass Survey the Application Attaches
The survey reads the bottom, with the seagrass and benthic resources mapped by divers before the design finalizes, the structures shifted to shadow the barren patches instead of the meadows, and the application's environmental evidence gathered underwater, the project routed by what grows beneath it, the approval earned by avoiding what the survey found.
The approval is earned by avoiding what the survey found. Endless Life Design commissions the benthic surveys and routes your project around the resources. Call (305) 680-3283 for designs the bottom approves.
The Riparian Lines That Settle the Neighbors
The neighbors settle at the riparian lines, with the waterward projections of the property boundaries dividing the bay's frontage, the dock kept inside its corridor and away from the setbacks the lines impose, and the waterfront disputes prevented by geometry established before construction, the lines drawn by surveyors, the peace preserved by mathematics.
The peace is preserved by mathematics. Endless Life Design establishes the riparian lines and setbacks your over-water project must respect. Call (305) 680-3283 for docks that never start a feud.
The Repair and Replacement Reads of the Rules
The old structure earns lighter paths, with the repair and like-for-like replacement provisions sparing qualifying work the full gauntlet, the existing dock's footprint becoming an asset, and the maintenance distinguished from expansion by definitions the application must respect, the lighter path claimed precisely, the grandfather honored only inside its exact terms.
The grandfather is honored only inside its exact terms. Endless Life Design qualifies your repair and replacement work for the lighter paths it deserves. Call (305) 680-3283 for maintenance permitted as maintenance.
The Manatee Conditions Written Into the Season
The manatees write the conditions, with the construction windows, idle-speed requirements, and observer protocols attached where the protected species ranges, the project's schedule shaped by an animal the permit defends, and the in-water work conducted under watchfulness the conditions script, the compliance gentle by design, the bay shared on the manatee's terms.
The bay is shared on the manatee's terms. Endless Life Design builds the species conditions into your in-water schedule from the start. Call (305) 680-3283 for projects that never violate the season.
The Living Shoreline the Preserve Prefers
The preserve prefers the living edge, with the planted shorelines, natural stabilization, and softer solutions favored over the hard armor where conditions allow, the application stronger when it offers the bay something green, and the property's edge designed in the vocabulary the protection rewards, the approval smoother because the proposal cooperated, the shoreline defended in the preserve's own style.
The shoreline is defended in the preserve's own style. Endless Life Design designs the living shoreline approaches protected waters reward. Call (305) 680-3283 for edges the preserve approves of. The mangrove fringe and planted slope earn approvals the vertical wall would have fought for, and the property gains a shoreline that maintains itself.
WHY CHOOSE ENDLESS LIFE DESIGN
Endless Life Design is a licensed Florida general contractor serving Miami-Dade, Broward, and Palm Beach counties. From Biscayne Bay's protected shoreline to inland canal frontage, we coordinate the environmental, proprietary, and building approvals that waterfront construction in South Florida demands, and we manage them as one accountable process.
Endless Life Design — Licensed Florida General Contractor. Visit endlesslifedesign.com, call (305) 680-3283, or email endlesslifedesign@endlesslifedesign.com.
Related Permit Resources
Continue exploring: Florida Underground Injection Control (UIC) Well Permits (Chapter 62-528) • Florida's Construction Lien Law and the Notice of Commencement (Chapter 713) • The Florida Building Code, 8th Edition (2023): An Overview and What the 9th Edition Changes • Florida Milestone Inspections and Structural Integrity Reserve Studies (s. 553.899) • Ready to secure your approvals? Explore our Government Permit Processing Service or call (305) 680-3283 today.
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