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 ~25 Water Lake Est. Parking ~30 spaces Lot Size Medium (50–150) Lot Type Surface Confidence High

Small marina with multiple docks accommodating ~25 boats on a lake peninsula, surrounded by wooded areas with a medium unpaved parking lot containing several vehicles near residential buildings.

Aerial view of Cayou Quay Marina
Pacific Coast

Cayou Quay Marina

Deer Harbor, WA

Cayou Quay Marina is situated in the tranquil Deer Harbor on Orcas Island, part of the San Juan Islands in Washington state, where it nestles along the sheltered waters of the Salish Sea, offering protection from the open Pacific Coast's rougher conditions. This marina primarily serves recreational boating and sailing enthusiasts exploring the intricate network of islands, channels, and coastal waterways in the Pacific Northwest region. Its location makes it ideal for day trips or extended voyages amid the scenic beauty of the San Juan archipelago.

Location Deer Harbor, San Juan County, Washington
Capacity ~25 slips
Coordinates 48.6232, -123.0051

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.