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Welcome to JD Marine Restoration!

John Duschere, formerly a partner with the late Guy Lemke,  has been in the dock building business in Nassau County From Atlantic Beach to Freeport since 1978. Whether if be a residential, commercial or municipal project, John's professional crews will do the job right and on time. John Duschere prides himself on personally supervising every dock building and bulkhead job. View our customer letters page for a sampling of what our past clients have to say about Guy Lemke and his crew.

JD Marine Restoration - serving, Lawrence, Woodmere, Hewlett, East Rockaway, Oceanside, Baldwin, Long Beach, Island Park, Merrick, Seaford, Massapequa, Bellmore, Point Lookout, Lido Beach, Baldwin Harbor, Freeport. Guy Lemke is your Long Island dock builder with the experience and expertise to get the job done, Fully Licensed and Insured.

  • Bulkheads & Docks

  • Piers

  • Dredging

  • Floats

  • Decks

  • Walkways

  • Ramps

  • Bulkhead & Swimming Ladders

  • Boat Lifts

  • Helical Piles

Residential, Commercial and Municipal Installations

We obtain all necessary permits

2014 JD Marine Restoration  - ALL RIGHTS RESERVED

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