Located on Northport Harbor in historic Northport, Seymour's Boatyard is a part of Northport's nautical history providing marine services since 1923. Centrally located, adjacent to the village park and just north of the town dock, Seymour's is a quick walk to the many shops, restaurants, and amenities Northport Village has to offer.

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Seymour's Boatyard provides tender service as well as seasonal and transient moorings; transient moorings are available hourly, nightly, or weekly.

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Stop by Seymour's fuel dock to fill up on water, gasoline, or diesel. Drinks, ice, and marine chandlery are available dock side.