Libraries
Mercer Island Library
Library · 88th Avenue Southeast 4400, 98040 Mercer Island
- Opening hours
- Mo,Th-Fr 10:00-18:00; Tu-We 12:00-20:00; Sa-Su 11:00-18:00
- Phone
- +1-206-236-3537
- Website
- kcls.org/locations/1525/
- Operator
- King County Library System
- Data source
- © OpenStreetMap contributors · September 29, 2026