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Town of Riverhead, Suffolk County · East End / Peconic

UNDERWATER MARINE SERVICES
RIVERHEAD, NY

Professional dive crews serving Riverhead and the surrounding waterways. Hull inspections, dock and seawall work, and item recovery — done in the water, no haul-out required.

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Serving Riverhead, NY

LOCAL DIVE CREWS, ON YOUR WATER

At the head of the Peconic Estuary, Riverhead's river and Flanders Bay marinas mark the start of the East End boating grounds. Final Dive Co. serves Treasure Cove Resort Marina, the Riverhead Town Marina, and Light House Marina with dockside hull inspection, mooring service, and underwater recovery.

Where We Work in Riverhead

Our Riverhead service area covers Peconic River, Flanders Bay, and Long Island Sound — including Treasure Cove Resort Marina, Riverhead Town Marina, and Light House Marina. Don't see your marina or dock? We travel the whole shoreline — call us and we'll come to you.

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What We Do

EVERYTHING BELOW THE WATERLINE

Marine & Boating

  • Boat hull inspection & cleaning
  • Propeller & outdrive inspection
  • Anchor & mooring inspection
  • Raw water intake clearance
  • Zebra mussel inspection

Dock & Waterfront

  • Dock maintenance
  • Piling inspection
  • Seawall inspection & repair
  • Post-storm debris assessment
  • Ice damage inspection

Specialty Services

  • Underwater surveys
  • Underwater photography
  • Item recovery
  • Pool leak detection
Why Hire FDC in Riverhead

CATCH IT BEFORE IT COSTS YOU

No Haul-OutFull underwater assessment right at your Peconic River slip.
20–40%Fuel drag from biofouling. A clean hull saves on every trip.
Same-DayFast response for post-storm and ice-damage inspections.
Full ReportDocumented findings delivered after every inspection.
Client Reviews

TRUSTED ON THE WATER

★★★★★

Avoided an expensive haul-out thanks to Final Dive Co. They inspected my 45ft yacht's hull, swim platform, and anchor system in one visit. Clean report and great advice. These guys go where others won't.

Emma · Google Review
★★★★★

We have a private dock and finally found a team we had an excellent experience working with. They provided specialized underwater labor.

Christopher · Google Review
★★★★★

After last winter's ice damage I called Final Dive Co for a seawall and piling inspection. Same-day response, clear plan, saved me from bigger problems. A++++.

Dominick · Google Review

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NEED A DIVE CREW IN RIVERHEAD?

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