NYSDEC
New York State Department of Environmental Conservation. Tidal wetlands, bulkheads, shoreline work, docks, piers, and floating structures.
Marine Permitting Services — Long Island, NY
Sea Tech LLC manages the full permitting process for waterfront and marine construction projects across Nassau and Suffolk County—from initial strategy through agency approval.
What We Handle
Marine permitting on Long Island involves coordination across multiple agencies, each with their own timelines, documentation requirements, and jurisdictional standards. Sea Tech provides a clear roadmap and manages every step.
- NYSDEC Tidal Wetlands permits
- USACE Section 10 and Section 404 permits
- Town and village waterfront approvals
- Permit strategy and agency pre-submission meetings
- Complete submittal packages—drawings, reports, narratives
- Agency follow-up and response coordination
- Permit modifications and renewals
Common Project Types
Docks & Floating Docks
Bulkheads
Dredging
Piers & Ramps
Shoreline Stabilization
Marine Structures
Waterfront Access
Marina Improvements
Why Permitting Strategy Matters
Starting construction without the right permits—or submitting an incomplete package—can result in stop-work orders, fines, and costly redesigns. Early strategy work with Sea Tech identifies the right permit path before you commit to a design.
Agencies We Coordinate With
Long Island marine projects often require coordination across several regulatory bodies simultaneously.
USACE
U.S. Army Corps of Engineers. Marine structures, dredging, in-water work, and any federal nexus project requiring Section 10 or 404 authorization.
Local Agencies
Town and village building and waterfront departments across Nassau and Suffolk County. Local approvals often run parallel to state and federal permitting.
Ready to start your permit?
Share your site information and project goals. We'll outline the permit path and what documentation you'll need.