Discovered by FATB

Charlestown Marina

Marina and superyacht berth in Boston, MA, United States

A marina at Pier 8 in the historic Charlestown Navy Yard on Boston Harbor, with seasonal and transient dockage, a fuel dock, pump-out and yacht services, a short walk from the Harborwalk and the Freedom Trail.

Why FATB discovered it: Marina Dock Age Large Marina of the Year - Marina Dock Age (Waterways Journal)

Discovery is not verification.