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 ~150 Water Ocean/Bay Est. Parking ~120 spaces Lot Size Large (150+) Lot Type Surface (Striped) Confidence High

Large marina with extensive docks, multiple buildings, and a large striped surface parking lot containing numerous vehicles adjacent to industrial structures and a highway.

Aerial view of Harbor Island Marina
Pacific Coast

Harbor Island Marina

Seattle, WA

Harbor Island Marina is situated on the artificial island of Harbor Island in Seattle, Washington, nestled in the Duwamish Waterway where it meets Elliott Bay and the broader Puget Sound, part of the Pacific Coast's intricate network of waterways. This marina serves recreational boating and sailing enthusiasts, taking advantage of the protected waters and proximity to the open Pacific for activities like day sailing and exploring the scenic islands of the Puget Sound region.

★★★★★ 4.3 (52 reviews on Google) View on Google Maps ↗
Address Parking lot, 1001 SW Klickitat Way # 104, Seattle, WA 98134, USA
Capacity ~150 slips
Hours
Monday: 8:00 AM – 4:30 PM
Tuesday: 8:00 AM – 4:30 PM
Wednesday: 8:00 AM – 4:30 PM
Thursday: 8:00 AM – 4:30 PM
Friday: 8:00 AM – 4:30 PM
Saturday: 8:00 AM – 4:30 PM
Sunday: Closed
Coordinates 47.5695, -122.3486

Nearby Marinas in Washington

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.