Public toilets and restrooms in Mercer Island, WA

Mercer Island has 15 restrooms on the map: 11 open to the public and 4 in businesses for customers. 5 are confirmed free and 4 are wheelchair accessible.

Highest-rated first. Updated November 5, 2026. All of Washington

Public restrooms

• Aubrey Davis Park restroom

  Park restroom · No ratings yet

  2030 72nd Avenue Southeast, Mercer Island, WA 98040

  Open to the public · Free · Wheelchair accessible · All-gender

• Clarke Beach Park restroom

  Park restroom · No ratings yet

  7700 East Mercer Way, Mercer Island, WA 98040

  Open to the public · Free · Partly accessible

• Homestead Field restroom

  Park restroom · No ratings yet

  4041 82nd Avenue Southeast, Mercer Island, WA 98040

• Island Crest Park restroom

  Park restroom · No ratings yet

  Mercer Island, WA

• Island Crest Park restroom

  Park restroom · No ratings yet

  Mercer Island, WA

• King County Library System restroom

  Library · No ratings yet

  Mercer Island, WA

  Open to the public · Free

  Mo,Th-Fr 10:00-18:00; Tu-We 12:00-20:00; Sa-Su 11:00-18:00

• Luther Burbank Park restroom

  Park restroom · No ratings yet

  Mercer Island, WA

  Free · Wheelchair accessible

• Luther Burbank Park restroom

  Park restroom · No ratings yet

  Mercer Island, WA

• Luther Burbank Park restroom

  Park restroom · No ratings yet

  Mercer Island, WA

  Open to the public · Free · Wheelchair accessible

• Mercerdale Park restroom

  Park restroom · No ratings yet

  Mercer Island, WA

• Pioneer Park restroom

  Park restroom · No ratings yet

  Mercer Island, WA

  All-gender

Customers-only restrooms

Stores, cafés, and restaurants that usually let customers use the restroom. Buy something or ask staff first.

• McDonald's

  Business (ask staff) · No ratings yet

  2807 78th Avenue Southeast, Mercer Island, WA 98040-2818

  Customers only

  Mo-Th 05:00-23:00; Fr,Sa 06:00-23:00; Su 06:00-23:00

• Metropolitan Market

  Business (ask staff) · No ratings yet

  2755 77th Avenue Southeast, Mercer Island, WA 98040

  Customers only · Wheelchair accessible

  Mo-Su 06:00-23:00

• Starbucks

  Business (ask staff) · No ratings yet

  7620 Southeast 27th Street, Mercer Island, WA 98040

  Customers only

  Mo-Sa 05:00-21:00; Su 05:30-20:00

• Starbucks

  Business (ask staff) · No ratings yet

  8415 Southeast 68th Street, Mercer Island, WA 98040

  Customers only

Nearby cities

Bellevue (71) Bryn Mawr-Skyway (3) Renton (25) Seattle (204) White Center (4) Tukwila (14) Redmond (29) Burien (4)