At Chinook’s, the Boston clam chowder is a traditional cream-based soup with clams, potatoes, and aromatics, served as part of a broader seafood menu. Its distinguishing feature is that it offers an East Coast-style chowder in an Interbay marina setting, tying classic flavors to a working-boat backdrop. The chowder has a smooth, thick body and generous clam pieces, making it satisfying as a starter before larger plates. Local coverage of Seattle chowder often includes Chinook’s for this bowl, especially for diners who appreciate the contrast of Boston style against the restaurant’s Northwest seafood lineup.