Great Peconic Bay Marina

13 Washington Ave.
South Jamesport

If you have any questions, please get in contact with us.

Business Days:
  • Monday
  • Tuesday
  • Wednesday
  • Thursday
  • Friday
  • Saturday
  • Sunday
Welcome to Great Peconic Bay Marina, your key to unlocking all the seaside beauty of South Jamesport, Long Island and beyond! Family owned and operated since 1978

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.

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