21 Federal is an American restaurant situated in Nantucket, Massachusetts, serving traditional American cuisine with a focus on fresh seafood. They offer a diverse menu and a waterfront dining experience on the historic island.
Operator computes a Health score every night at 2 am HST. It is the one number that tells you if this shop is winning, losing, or steady. Here is how 21 Federal broke down on May 2, 2026.
Operator ranks every american restaurant in Nantucket every night at 2 am HST using reviews, response rate, and local market share.
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