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Mercer Island prides itself on being a residential community. As such, most of the Island’s approximately 6.2 square miles of land area is developed with single family homes. The Island is served by a small Town Center and two other commercial zones which focus on the needs of the local population. Mixed-use and multifamily developments are located within the Town Center. Multifamily development also rings the Town Center and the western fringe of the smaller Commercial Office Zone.

Parks, open spaces, educational and recreational opportunities are highly valued and consume a large amount of land. The Island has 472 acres of park and open space lands including small neighborhood parks and trails as well as several larger recreational areas, including Luther Burbank Park and Aubrey Davis Park above the Interstate 90 tunnel. One hundred and fifteen acres of natural-forested land are set aside in Pioneer Park and an additional 150 acres of public open spaces are scattered across the community. There are four elementary schools, one middle school and a high school owned and operated by the Mercer Island School District. In addition, there are several private schools at the elementary and secondary education levels.

Arts are integral to Mercer Island’s identity, vitality, heritage, and shared values. The City of Mercer Island is committed to supporting and sustaining rich and diverse cultural and arts experiences and opportunities for the community. In 2018, the City incorporated the Arts and Culture plan as an appendix to the Comprehensive Plan incorporating the goals and policies in the Arts and Culture Plan into the City’s Comprehensive Plan.

The community strongly values environmental protection. As a result, local development regulations have sought to safeguard land, water and the natural environment, balanced with private property rights. To reflect community priorities, development regulations also attempt to balance views and tree conservation.