Agate Passage
Sound in Washington · 1,445 acres · near Bainbridge Island, Poulsbo, Suquamish

Agate Passage is a 1,445-acre sound near Bainbridge Island, Poulsbo and Suquamish in Washington, with 1 public boat ramp and 1 carry-in launch listed here.
Boating rules
- No-discharge zone: WAC 173-228 bans vessel sewage discharges, whether treated or not, in the No Discharge Zone. It became effective May 10, 2018. · all of Agate Passage rule
From the boating rules map of Washington Department of Ecology, read October 20, 2026. A map of rules is a guide: the regulation's text and the posted signs govern.
Boat launches on Agate Passage
- Old Man House Park · Carry-in (canoe and kayak) · near Bainbridge Island
- Suquamish (Old Man House) · Boat ramp · near Bainbridge Island
Community
Where people who fish, boat and paddle Agate Passage talk about it. Lake associations, clubs and local groups will be added as we find them.
Wikidata: Q4691487
