Historic Waterfront Restaurant & Oyster Bar

The Old Mill Inn, originally established as a tidal grist mill in 1821, is situated on the picturesque Mattituck Creek. Newly transformed–after a multi-year award-winning renovation–it is once again a lively bar and restaurant offering classic American dishes, handcrafted cocktails, and a curated selection of local and world wines. Learn more about our unique history here.

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Each of our spaces has a unique perspective of Mattituck Creek.

Join us on the over-the-water deck for a cold beer or spritz, on our covered porch for oyster slider sand martinis, or inside for lunch or dinner at our bar and restaurant for grass-fed burgers, and locally sourced seafood and vegetables.