Boston’s relationship with the sea is written into its wharves, its history and its menus. From the city’s earliest days as a colonial port to its modern identity as a regional hub, fish and shellfish have sustained both the local economy and the culinary imagination. To visit Boston and not explore its seafood would be to miss one of the most vivid ways the city expresses itself.

Start with New England clam chowder, a dish so widely served that you might be tempted to take it for granted. A good Boston chowder is hearty but not heavy, built around tender clams, potatoes and onions in a creamy broth that is seasoned but not overwhelmed by bacon or herbs. It arrives with oyster crackers or bread and, on a cold day, delivers an immediate sense of comfort. Every kitchen puts its own spin on it, from ultra-traditional to lighter or more contemporary versions.

Then there is the lobster roll, another regional icon. You will find two main styles: chilled lobster meat lightly dressed with mayonnaise, celery and lemon juice, and warm lobster tossed in melted butter. Both are served in a split-top roll that is toasted until the edges are crisp and the inside is soft. The best rolls balance generous chunks of sweet meat with just enough seasoning and bread; nothing should distract from the flavor of the lobster itself.

Raw-bar culture is strong in Boston. Oysters from Duxbury, Wellfleet, Cape Cod, Maine and beyond appear on ice-filled trays, each variety with its own degree of brininess and texture. Ordering a selection allows you to taste your way along the New England coastline in a single sitting. Clams on the half shell, shrimp cocktails and crudos round out the experience for those who enjoy their seafood uncooked or barely dressed.

For cooked preparations, options range from casual fried platters to refined plates. At a humble counter, a pile of fried clams or fish and chips served in a paper basket evokes beach-town summers. In more formal dining rooms, you might find pan-seared scallops, roasted cod with seasonal vegetables or inventive small plates that pair local seafood with global flavors. Italian restaurants in the North End weave seafood into pastas and stews, while contemporary spots in the Seaport District reinterpret classics with modern techniques.

Union Oyster House, a short walk from Faneuil Hall, is the granddaddy of Boston seafood institutions. Housed in a structure that predates the American Revolution, it has operated as a restaurant since the early nineteenth century and is recognized as one of the oldest continuously running restaurants in the United States. Its U-shaped oyster bar, low ceilings and wood-paneled rooms feel steeped in stories. Sitting at the counter watching shuckers work is as much a part of the experience as the briny oysters on your plate.

Beyond Union, each neighborhood offers a slightly different seafood personality. The Seaport leans contemporary and polished, with harborside patios and modern dining rooms. The North End blends Italian traditions with New England ingredients. Back Bay and downtown offer a mix of upscale raw bars, hotel restaurants and long-standing institutions that serve both steak and seafood. Even in outlying neighborhoods, you will find deep-cut local favorites that reward the curious traveler.

ExploreBoston.com tip: Treat seafood as a thread running through your entire visit rather than a single meal. Start with chowder at lunch one day, plan a lobster roll by the harbor on another and reserve at least one dinner at a classic institution such as Union Oyster House or a North End restaurant known for its seafood. ExploreBoston.com’s restaurant lists and neighborhood pages flag standout seafood spots by price range, atmosphere and location so you can match choices to your itinerary. In peak season, especially summer weekends, reservations are strongly recommended for popular spots.