Site Resources & Tools
Dive planning for PBM Mariner
Site Briefing
PBM Mariner is a flying boat wreck site in Lake Washington, roughly 70 ft off Mercer Island.
Paired with nearby landing craft wreck in ~65 ft. A classic Lake Washington boat dive -- launch from Mercer Island.
Access: Boat dive from Mercer Island -- drop shot line near wreck, do not anchor on wreck.
Conditions: SR-520 bridge traffic; use live boat.
⚠️ Safety & accuracy
Before diving at PBM Mariner, always check the site-specific wind/wave forecast and recent reports (latest: May 5, 2025)!
Briefings may be out of date or have inaccuracies. Dive within your training and experience. The first time diving a site, join someone familiar with the site and/or start on a mild day.
See an issue? Would you like to suggest briefing updates? Suggest briefing updates.
Nearest Featured Dive Sites
- Three Tree Point (~9 miles)
- Seacrest Cove 2 (~10 miles)
Nearby Dive Sites
- Landing Craft (Higgins Boat) (~1 miles)
- Sonny (~2 miles)
- Bloody Mary (~2 miles)