Semiahmoo Marina
About
A resort-style marina at Semiahmoo in Blaine offering upscale accommodations and exceptional views of Boundary Bay. The full-service facility provides excellent access to fishing grounds and northern Puget Sound cruising. The resort includes dining, lodging, and spa facilities, making it an excellent base for extended stays. Premium moorage with all amenities in a scenic setting near the Canadian border.
Specifications & Services
Fuel & Services
Fuel Diesel only 
Pump-out Available 
Haul-out Not available Amenities
Events Near Blaine
All events →class
Marine VHF Radio Operator Certification — Spring 2026
May 9, 2026 · Shilshole Bay Marina Community Room
View all events →festival
Anacortes Waterfront Festival 2026
May 16, 2026 – May 17, 2026 · Cap Sante Boat Haven
Event details →race
Swiftsure International Yacht Race
May 23, 2026 – May 24, 2026 · Royal Victoria Yacht Club
Event details →Useful Guides for Visiting Sailors
Education hub →Seamanship · 13 min read
Docking and Mooring in Tidal Waters
Master docking techniques and mooring strategies for Pacific Northwest's challenging tidal environments.
Navigation · 20 min read
Tides and Currents in the Pacific Northwest
Seymour Narrows runs at sixteen knots. Cattle Pass produces standing waves. Active Pass schedules itself around BC Ferries. PNW navigation is governed by tides and currents — this is how to read them.
Seamanship · 14 min read
Anchoring in Pacific Northwest Waters
Twelve-foot tides, four-knot current in the passes, kelp on every shoreline, and a wind that can shift through three quadrants while you sleep. PNW anchoring is its own discipline.