What would you like to see in the next KCLS Director? Take our online survey.

Catalog maintenance work is scheduled from 10pm-11pm on Thursday, April 17th.
You may temporarily be unable to access My Account features, Premium Databases, and all eBook services.

Mercer Island Library

4400 88th Ave. SE
Mercer Island, 98040

Open Hours:

  • Monday - Thursday
  • Friday
  • Saturday
  • Sunday
  • 10am-9pm
  • 10am-6pm
  • 10am-5pm
  • 1-5pm
Image of Mercer Island

Friends of the Mercer Island Library

Dues: Individual, $15; Family, $25; Senior (65 & older), $10; Lifetime, $150

Book Sales: Ongoing sale in library; Several book sales each year

Other Fundraisers: Auction

Meetings: Bimonthly meetings on Thursday afternoons

Website: Friends of the Mercer Island Library

Temporary Closures

A number of KCLS libraries will be closed for staff trainings on select mornings throughout the Spring.

View All Temporary Closures

Holiday Closures

Last Updated: 03/25/14