Sullivan's – Steakhouse
Sullivan’s hums with the convivial energy of a beloved neighborhood haunt, where the golden glow of the bar and the aroma of savory, shareable plates create an instantly welcoming retreat. Guests gather over bubbling crocks of creamy queso and crispy, hand-rolled steak and cheese eggrolls, indulging in a menu that elevates classic comfort into a vibrant social feast. From the satisfying crunch of fried pickles to the zesty flair of shaved steak tacos, the experience is a celebration of hearty flavors and easygoing charm.
2080, William J. Day Boulevard, South Boston, MA, 02127 https://www.sullivanscastleisland.com0Cuisine: Steakhouse
Price range: $
Dietary options: dairy-free, halal, keto, low-carb, vegan, vegetarian, heart-healthy, low-sodium, paleo, pescatarian, plant-based, whole30, anti-inflammatory, dash-sodium-reduced, gerd, high-fiber, low-cholesterol, south-beach, aip, alkaline, tlc, juice-cleanse, lectin-free, macrobiotic, slow-carb
Diet fit at Sullivan's
Dairy-Free at Sullivan's
Sullivan's in Boston has 2 dairy-free-tagged dishes on its current menu, including Fried Pickles and Sully's Signature Salad Bowl. Tags come from dish-level menu analysis and update when the menu changes.
Halal at Sullivan's
Sullivan's in Boston has 16 halal-tagged dishes on its current menu, including Spinach & Artichoke Dip, Sully's Cheese Pizza and Sully's Caesar Salad. Tags come from dish-level menu analysis and update when the menu changes.
Keto at Sullivan's
Sullivan's in Boston has 1 keto-tagged dish on its current menu, including Stuffed Tator Tots. Tags come from dish-level menu analysis and update when the menu changes.
Low-Carb at Sullivan's
Sullivan's in Boston has 1 low-carb-tagged dish on its current menu, including Stuffed Tator Tots. Tags come from dish-level menu analysis and update when the menu changes.
Vegan at Sullivan's
Sullivan's in Boston has 4 vegan-tagged dishes on its current menu, including Sully's Signature Salad Bowl, Castle Island Lager and Sully's Classic Raspberry Lime Rickey. Tags come from dish-level menu analysis and update when the menu changes.
Vegetarian at Sullivan's
Sullivan's in Boston has 15 vegetarian-tagged dishes on its current menu, including Spinach & Artichoke Dip, Sully's Cheese Pizza and Bavarian Salted Pretzels. Tags come from dish-level menu analysis and update when the menu changes.
Heart-Healthy at Sullivan's
Sullivan's in Boston has 2 heart-healthy-tagged dishes on its current menu, including Mac & Cheese and Baked Sea Scallops. Tags come from dish-level menu analysis and update when the menu changes.
Low-Sodium at Sullivan's
Sullivan's in Boston has 14 low-sodium-tagged dishes on its current menu, including Spinach & Artichoke Dip, Sully's Cheese Pizza and Sully's Steak & Cheese Sub. Tags come from dish-level menu analysis and update when the menu changes.
How tags work: Dish-level menu analysis by Chefi's rule-based diet engine with AI assistance; nutrition values are estimated from ingredients unless marked verified. Allergen and certification claims are never inferred.
What to order at Sullivan's
| Dish | Net carbs | Protein |
|---|---|---|
| Beef Chili | 71.5 g | 49.4 g |
| Cheeseburger Pizza | 21.1 g | 38.4 g |
| Sully's Cobb Salad | 15.1 g | 31.1 g |
| Sully's Rum Punch | 11.2 g | 26.5 g |
| Chicken Wings or Tenders | 29.3 g | 26.3 g |
| Sully's Spinach Salad | 123.5 g | 23.9 g |
| Stuffed Tator Tots | 2.3 g | 22.4 g |
| Sully's Cheese Pizza | 43.8 g | 22.3 g |
| Nashville Hot Chicken Sandwich | 61.2 g | 22 g |
| Sully's Steak & Cheese Sub | 20.3 g | 18.9 g |
| Shaved Steak Tacos | 5.6 g | 18.8 g |
| BBQ Chicken Pizza | 6.4 g | 17.4 g |
Nutrition values are estimated from ingredients.
Currently closed
Hours
- Monday - Sunday
- 8:00 AM - 8:00 PM
Menu
Appetizers & Shareables
- Queso Dip - $9.95: Housemade tortilla chips Dietary tags: Vegetarian, Halal, Pescatarian, Low-Sodium Available at: dinner, lunch
- Bavarian Salted Pretzels - $9.95: 4 pieces served with side of queso blanco Dietary tags: Vegetarian, Halal, Pescatarian, Low-Sodium, Anti-Inflammatory Available at: dinner, lunch
- Fried Pickles - $8.95: Crispy fried pickles served with chipotle aioli Dietary tags: Vegetarian, Halal, Dairy-Free, Pescatarian Available at: dinner, lunch
- Steak & Cheese Eggrolls - $13.95: 6 pieces served with sweet chili sauce Dietary tags: GERD-Friendly Available at: dinner, lunch
- Shaved Steak Tacos - $15.95: Two corn tacos filled with shaved steak, queso blanco, avocado sauce, pico de gallo Available at: dinner, lunch
- Chicken Wings or Tenders - $14.95: Plain, Nashville Hot, Buffalo or Memphis BBQ. Served with blue cheese or ranch Available at: dinner, lunch
- Fried Cheese Curds - $12.95: Served with hot honey Dietary tags: Vegetarian, Halal, Pescatarian, Low-Sodium Available at: dinner, lunch
- Spinach & Artichoke Dip - $12.95: Served with homemade tortilla chips Dietary tags: Vegetarian, Halal, Pescatarian, Low-Sodium Available at: dinner, lunch
- Stuffed Tator Tots - $9.95: Cheddar, bacon, chives, sour cream Dietary tags: Keto, Low-Carb, South-Beach Available at: dinner, lunch
Salads & Soups
- Sully's Signature Salad Bowl - $12.95: Tender greens, grape tomatoes, cucumber, onion, garlic croutons, house dressing Dietary tags: Vegan, Vegetarian, Halal, Dairy-Free, Pescatarian, Plant-Based, High-Fiber Available at: dinner, lunch
- Sully's Caesar Salad - $10.95: Crisp romaine, house-croutons, parmesan and caesar dressing Dietary tags: Halal, Pescatarian, Anti-Inflammatory Available at: dinner, lunch
- Sully's Spinach Salad - $12.95: Baby spinach, gorgonzola, dried cranberries, orange slices, candied walnuts, cranberry vinaigrette Dietary tags: Vegetarian, Halal, Pescatarian, High-Fiber Available at: dinner, lunch
- Sully's Cobb Salad - $15.95: Hard boiled egg, avocado, bacon, walnuts, grape tomatoes, blue cheese crumbles, raspberry vinaigrette Dietary tags: South-Beach, High-Fiber Available at: dinner, lunch
- New England Clam Chowder - $8.95: Cream based classic served with oyster crackers Dietary tags: Low-Sodium, DASH Sodium-Reduced, TLC Available at: dinner, lunch
- Beef Chili - $10.5: Hearty all beef chili topped with cheddar cheese Dietary tags: High-Fiber Available at: dinner, lunch
Handhelds & Burgers
- Double Cheeseburger - $16.95: Two fresh Angus Beef patties, American cheese, toasted bun Available at: dinner, lunch
- Classic Style Lobster Roll - $31.95: Chilled lobster meat lightly dressed on a brioche bun Available at: dinner, lunch
- Hot Honey Double Bacon Cheeseburger - $17.95: Brioche bun, bacon, hot honey, served with fries Available at: dinner, lunch
- Nashville Hot Chicken Sandwich - $17.5: Fried or grilled chicken, southern classic hot sauce, pickles, coleslaw Dietary tags: High-Fiber Available at: dinner, lunch
- Sully's Steak & Cheese Sub - $18.95: Shaved steak, cheese, peppers and onion on a Fire King roll Dietary tags: Low-Sodium Available at: dinner, lunch
- Two Classic Hot Dogs - $15.5: Kayem all natural casing hot dogs grilled on toasted rolls Available at: dinner, lunch
Main Courses
- Baked Haddock - $22.95: Sully's sauce, buttered crumbs, served with two sides Dietary tags: Halal, Pescatarian Available at: dinner, lunch
- Baked Sea Scallops - $27.95: Sully's sauce, buttered crumbs, served with two sides Dietary tags: Halal, Pescatarian, Heart-Healthy, Low-Sodium, Anti-Inflammatory, DASH Sodium-Reduced, TLC Available at: dinner, lunch
- Teriyaki Steak Tips - $24.95: 11 oz of tender steak tips marinated in teriyaki sauce Available at: dinner, lunch
- Mac & Cheese - $14.95: Mini shells, white cheddar sauce, buttered crumbs Dietary tags: Vegetarian, Halal, Pescatarian, Heart-Healthy, Low-Sodium, Anti-Inflammatory, DASH Sodium-Reduced, TLC Available at: dinner, lunch
- Sully's Fried Chicken - $18.95: Served with country gravy, mashed potatoes, and veggies Available at: dinner, lunch
Sully's Pizza
- BBQ Chicken Pizza - $13.95: Grilled chicken, Memphis BBQ sauce, red onion Dietary tags: Low-Sodium Available at: dinner, lunch
- Cheeseburger Pizza - $13.95: Crumbled Angus beef patties, ketchup, mustard, onions, pickles Dietary tags: Low-Sodium Available at: dinner, lunch
- Sully's Cheese Pizza - $10.95: 10 inch pan pizza, housemade tomato sauce, 5 cheese blend Dietary tags: Vegetarian, Halal, Pescatarian, Low-Sodium Available at: dinner, lunch
Desserts
- Hot Fudge Sundae - $9.95: Vanilla soft serve, hot fudge, whipped cream, and a cherry Dietary tags: Vegetarian, Halal, Pescatarian, Low-Sodium
- Grammie's Apple Crisp - $12.95: Topped with vanilla ice cream Dietary tags: Vegetarian, Halal, Pescatarian, Low-Sodium
- Three Layer Chocolate Cake - $10.95: Chocolate icing and chocolate curls Dietary tags: Vegetarian, Halal, Pescatarian, Low-Sodium
Beverages
- Sully's Classic Raspberry Lime Rickey - $6.95: Classic New England beverage with freshly squeezed limes Dietary tags: Vegan, Vegetarian, Halal, Whole30, Pescatarian, Paleo, Plant-Based, Alkaline, AIP, Macrobiotic, Lectin-Free
- Thick Shake - $7.95: Chocolate, Vanilla, Coffee, or Strawberry
- Castle Island Lager - $7.95: American Light Lager - 5.2% ABV Dietary tags: Vegan, Vegetarian, Pescatarian, Plant-Based
- Sully's Rum Punch - $13.95: Dark rum, pineapple, orange juice Dietary tags: Vegan, Vegetarian, Pescatarian, Plant-Based, Low-Cholesterol, Juice-Cleanse, Slow-Carb, Lectin-Free
Frequently Asked Questions about Sullivan's
- Is Sullivan's dairy-free-friendly?
- Yes. Sullivan's has 2 dairy-free-tagged dishes on its current menu, including Fried Pickles and Sully's Signature Salad Bowl.
- What can I eat at Sullivan's on a dairy-free diet?
- Fried Pickles and Sully's Signature Salad Bowl carry the dairy-free tag, out of 2 tagged dishes on the current menu. Every dish's diet tags are listed in the menu.
- Does Sullivan's have vegan options?
- Yes. 4 dishes are tagged vegan on the current menu, including Sully's Signature Salad Bowl and Castle Island Lager.
- What is the highest-protein dish at Sullivan's?
- Beef Chili, at roughly 49.4g of protein (estimated from ingredients).
Restaurants near Sullivan's
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- Local 149 — American
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