Lat / Lon: N 40° 56.180' / W 072° 34.870'
  • Full Service Marina in the
    Heart of Long Island’s Wine Country

  • Seasonal & Transient Dockage for
    Vessels up to 65 Feet

  • Fast and Easy Access to Great Peconic Bay
    and Flanders Bay

Welcome To Great Peconic Bay Marina

A turnkey marina for boaters near and far.

Welcome to Great Peconic Bay Marina, your key to unlocking all the seaside beauty of South Jamesport, Long Island and beyond!

Located on the beautiful North Fork of Long Island, members of Great Peconic Bay Marina (GPBM) have access to :

  • Seasonal & transient dockage
  • Marine repairs and maintenance
  • Dockage
  • Boat sales
  • A private sandy beach
  • Yearly seasonal events fully stocked ship’s store

GPBM boaters enjoy a friendly, helpful, fun resort-like atmosphere where they spend quality time with friends and family at one of Long Island’s top marinas. Our competitive pricing, paired with our premier location and turn-key solutions for boaters makes us the perfect choice for boaters cruising the North Fork of Long Island and beyond.

Location is key.

GPBM is nestled in the quaint hamlet of South Jamesport, in the heart of the North Fork wine trail. With easy access to popular downtown destinations, and Long Island wine country via the Great Peconic Bay and Flander’s Bay, GPBM is the hub of all things summer fun . Downtown Riverhead, Greenport, the Shinnecock Canal and the South shore of Long Island are all just a short boat-ride away. After your boating excursion, escape to the local wineries or shop like a pro at the Tanger Outlets.

GPBM has been family owned and operated since 1978. The exemplary boating service – from repairs to slips to dockage – gives you everything you need in a convenient one-stop-shop.

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