Sullivan's castle island menu overview
Nestled on the scenic William J Day Boulevard in South Boston, Sullivan's Castle Island offers a delightful menu that captures the essence of classic New England seafood alongside beloved American comfort foods. Whether you're craving fresh lobster or hearty sandwiches, this charming seaside spot caters to all with a vibrant selection perfect for lunch, dinner, or casual snacking.
starters
Kick off your meal with classic New England flavors. Sullivan's features a creamy clam chowder brimming with tender clams, potatoes, and aromatic celery and onions, all enriched with a smooth cream base. For a crispy start, try the golden onion rings or the perfectly seasoned crinkle cut French fries, ideal for sharing or enjoying solo.
mains
Sullivan's shines brightest with its seafood mains, spotlighting fresh lobster meat nestled in a toasted bun with just the right touch of mayo in the iconic lobster roll. Fans of fried delights will find a haven in the fried clam strips and whole belly clams, each coated in a crisp batter and fried to golden perfection. The fish and chips, served with flaky fish fillet, fries, and tartar sauce, remain a comforting staple.
For non-seafood enthusiasts, the menu caters with hearty American favorites including cheeseburgers and double cheeseburgers layered with cheddar, lettuce, tomato, onions, and pickles. Sandwich lovers can indulge in crab cake sandwiches, fried chicken sandwiches, crispy chicken sandwiches, and chicken Caesar salad wraps that blend tender grilled chicken with fresh romaine, parmesan, and Caesar dressing wrapped in a soft tortilla.
desserts and drinks
Complete your visit with a refreshing beverage or a sweet treat. Sullivan's offers freshly brewed coffee, a selection of beers, and signature cocktails that perfectly complement the seaside atmosphere. While desserts are served to satisfy your sweet tooth, the highlight remains the balanced flavors and fresh ingredients that define every dish here.
specials and takeout
Enjoy the convenience of takeout and delivery, perfect for savoring the flavors of Sullivan's Castle Island on the go or at your leisure by the bay. The menu's dedication to fresh, satisfying seafood and classic American fare makes it a standout destination for groups, families, and solo diners alike. With outdoor seating and parking options, it's an inviting spot to soak in the local charm while enjoying delicious food.
menu highlights at a glance
- Lobster Roll – Lobster meat in a toasted bun with mayo, a New England classic
- Fried Clam Strips and Whole Belly Clams – Crispy, golden seafood favorites fried in perfect batter
- Fish and Chips – Flaky fish fillet with fries and tangy tartar sauce
- Cheeseburgers and Double Cheeseburgers – Classic American burgers with cheddar, lettuce, tomato, onions, and pickles
- Chicken Caesar Salad Wrap – Grilled chicken with romaine, parmesan, and Caesar dressing in a soft tortilla
