Welcome to Mercer Island
Mercer Island is truly unique, it's the only island on the Eastside of Seattle, and the only way on or off is via the I-90 floating bridge connecting it to both Seattle and Bellevue. If you pull up a map, the island looks like a giant foot, about 5 miles long by 2 miles wide. That size constraint is actually one of the things that makes it so desirable: it's intimate, it's finite, and every inch of it feels intentional.
Mercer Island is one of the wealthiest zip codes in the US, with a median household income exceeding $200K and roughly 25,000 residents. Being a small island means there's abundant waterfront and water-view property, combined with excellent schools, safety, and a strong community, it commands a premium for good reason.
Commutes & Connectivity
Despite being an island, Mercer Island is remarkably well connected. From the North end, Downtown Bellevue is as little as 10–20 minutes depending on traffic, and Downtown Seattle is 10–25 minutes. Even from the South Point, as far from I-90 as you can get, Bellevue is 20–45 minutes and Seattle is 22–45 minutes. The average King County commute is about 30 minutes one way, and most Mercer Island residents come in well under that. The I-90 corridor makes this island significantly more accessible than any other waterfront community in the region.
Safety & Community
Being on an island creates a natural buffer from crime. The overall crime rate is about 1,790 per 100,000 residents, with a violent crime rate of just 100 per 100,000, ranking Mercer Island among the safest cities in the country. Nextdoor's crime index places Mercer Island at 13.5 versus a US average of 33.4. The southern end of the island is even safer, being further from I-90 and more secluded.
The Downtown Town Center features local shops including the beloved independent bookstore Island Books, restaurants, wellness studios, and cafés. It's a city vibe in a small community, and for anything more, Bellevue and Seattle are minutes away.
Parks & Outdoor Life
A full 11% of Mercer Island is dedicated to parks and recreation, over 475 acres with three public beaches and more than 50 miles of trails. Luther Burbank Park is the island's gem: a 77-acre lakeside park with a swimming beach, boat dock, fishing piers, 3 miles of trails, tennis and pickleball courts, an off-leash dog area, an amphitheater, and ¾ mile of public shoreline. Pioneer Park is the largest forested preserve at 113 acres with old-growth forest and equestrian pathways. Aubrey Davis Park, the iconic "lid" park built over I-90, covers 80 acres with playgrounds, sports fields, and trail access. With 26 public parks total, outdoor life here is exceptional.
Top-Rated Schools
Mercer Island School District is ranked #5 in Washington State. With 4 elementary schools, one middle school, and one high school, the district is tight-knit and consistently excellent.
Island Neighborhoods
Market Stats
The median closed sales price for residential homes was $2.6M, up 15% year over year. Ten-year appreciation of nearly 100% makes Mercer Island one of the strongest long-term real estate investments on the Eastside.
* Figures accurate at the time of filming, August 2025. Contact Bella for current market data.