Sullivan's Castle Island Menu

Welcome to Sullivan's Castle Island, where the ocean meets flavorful, casual dining. Nestled at 2080 William J Day Blvd, South Boston, this gem is renowned for its fresh seafood and hearty chicken offerings. Customers rave about their lobster rolls, brimming with succulent chunks of lobster and just the right amount of mayo, all served in a perfectly toasted roll. The baked haddock sandwich is another standout, featuring a flaky fillet topped with a crispy cracker crumb and Sullivan’s secret sauce.

Don’t miss the crinkle cut fries, a beloved side around here, and their famous raspberry lime rickey, a refreshing accompaniment to any meal. While the bustling atmosphere may draw large crowds, the scenic ocean views and friendly service make the wait worthwhile. Whether you’re dining in or grabbing a bite after a stroll, Sullivan’s embodies the spirit of seaside comfort food.