Overview of the menu
At Sullivan's Castle Island, the culinary philosophy centers around classic American fare, with a strong emphasis on fresh seafood and hearty comfort food. This beloved eatery, established in 1951, draws locals and visitors alike to its picturesque location on Castle Island, where patrons can enjoy their meals while soaking in the stunning views of Pleasure Bay. The menu reflects a commitment to quality ingredients, offering a delightful selection of dishes that cater to both casual diners and seafood enthusiasts.
Signature dishes
- Lobster Roll - Sweet lobster meat served in a toasted hot dog roll, a must-try for seafood lovers.
- Clam Chowder - A rich New England cream-based soup, perfect for warming up on a chilly day.
- Fried Clam Strips - Crispy and golden, these New England fried clam strips are a crowd favorite.
- Cheeseburger - A juicy Angus beef patty topped with American cheese, served on a toasted bun.
Beverages and pairings
Sullivan's Castle Island offers a variety of beverages to complement your meal. From refreshing non-alcoholic options like the Raspberry Lime Rickey to classic soft serve ice cream, there's something for everyone. For those looking to indulge, the restaurant also serves beer, making it a great place to unwind after a day of exploring Castle Island.
Dietary options
While Sullivan's Castle Island specializes in seafood and classic American dishes, it does not offer extensive vegetarian or vegan options. However, gluten-free diners can enjoy certain menu items, and the staff is accommodating regarding allergens. It's advisable to inform your server of any dietary restrictions when ordering.
Chef recommendations
For a true taste of the sea, the chef highly recommends the Lobster Roll, which features generous chunks of sweet lobster meat. Pair it with a side of Crinkle Cut Fries for a satisfying meal. If you're in the mood for something lighter, the Clam Chowder is a comforting choice that showcases the essence of New England cuisine.
Experience the menu
Visit Sullivan's Castle Island in South Boston for a memorable dining experience. Whether you're enjoying a sunny day on the outdoor patio or grabbing a quick bite to go, the flavors and ambiance of this iconic eatery are sure to leave a lasting impression.



