Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility 🚤 Full Service Marina Est. Slips ~80 Water Ocean/Bay Est. Parking ~60 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Medium-sized marina with multiple piers packed with boats, adjacent surface parking lot with several vehicles, surrounded by buildings and dense forest.

Aerial view of Thomas Basin
Pacific Coast

Thomas Basin

Ketchikan, AK

Thomas Basin is a marina situated in Ketchikan, Alaska, on the southeastern coast of the state along the Tongass Narrows, a protected waterway in the Inside Passage that connects to the broader Pacific Ocean. It serves a mix of commercial fishing vessels and recreational boating, taking advantage of the region's rich salmon runs and scenic fjords for activities like sport fishing and leisure sailing. This location in Alaska's panhandle makes it a hub for those navigating the rugged, island-dotted waters of the northern Pacific Coast.

Location Ketchikan, Ketchikan Gateway Borough, Alaska
Capacity ~80 slips
Coordinates 55.3397, -131.6409

Nearby Marinas in Alaska

Marina Parking & Access Control

Marinas typically need to separate slip holder parking from day-visitor parking, trailer areas, launch ramps, and secure dock access points. Modern facilities use barrier gate systems to enforce these zones automatically — allowing permitted vehicles through via transponder or keycard while logging all access events.