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Mercer Island Library

4400 88th Ave. SE
Mercer Island, 98040
206.236.3537

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