Sullivan's Castle Island
4.6$· InexpensiveOpen now · until 8:00 PMClassic South Boston takeout spot famous for fried seafood and burgers

Operating since 1951, Sullivan's Castle Island is a beloved landmark food shack located at Castle Island in South Boston. Visitors flock here for affordable seaside fast-food favorites including fried seafood, hot dogs, cheeseburgers, and hand-cut onion rings. Its location along Pleasure Bay makes it an ideal spot to grab a bite while enjoying views of Boston Harbor.
History
Sullivan's has been a beloved Boston institution since it opened in 1951, originally serving as a simple hot dog stand. Over the years, it has evolved into a full-service restaurant, becoming a staple for those visiting Castle Island and enjoying the scenic waterfront.
Expert notes
- Arrive early on weekends to secure parking as the lot fills up quickly.
- Check the weather before your visit, as seating is primarily outdoors.
- Try the lobster roll for a local favorite experience.
- Bring cash, as it may be easier than using cards during busy hours.
- Enjoy a stroll around Castle Island before or after your meal.
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