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 ~40 Water River Est. Parking ~35 spaces Lot Size Medium (50–150) Lot Type Surface (Striped) Confidence High

Medium-sized marina adjacent to a baseball field with a striped surface parking lot containing approximately 35 spaces but no visible vehicles.

Aerial view of Waterfront Activities Center
Pacific Coast

Waterfront Activities Center

Seattle, WA

The Waterfront Activities Center (WAC) is nestled on the shores of Union Bay, the gateway to Lake Washington. From spring through fall, we rent kayaks and canoes for paddling around the Union Bay Natural Area.

★★★★★ 4.6 (310 reviews on Google) View on Google Maps ↗
Address 3710 Montlake Blvd NE, Seattle, WA 98195, USA
Capacity ~40 slips
Hours
Monday: Closed
Tuesday: Closed
Wednesday: Closed
Thursday: 10:00 AM – 8:00 PM
Friday: 10:00 AM – 8:00 PM
Saturday: 10:00 AM – 8:00 PM
Sunday: 10:00 AM – 8:00 PM
Coordinates 47.6490, -122.2995

Marina Services & Amenities

spring through fall season

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.