At Jetties Beach on Nantucket Sound, the Sandbar delivers cold cocktails, fresh seafood, and the casual, sun-soaked beach bar experience of Nantucket’s most accessible and most family-friendly beach. The Sandbar is the easy, uncomplicated Nantucket beach bar — cold drinks, lobster rolls, the Sound right there, and the particular Nantucket sunshine that makes everything feel like a privilege. A perfect introduction to the island for first-timers and a reliable ritual for returning regulars.