Looking for something to do on the Island? You should probably head to Downtown Mercer Island. The Island’s business district is home to many great restaurants, shops and other local businesses. You can easily walk to this whole area but what is even better, is for those that don’t want to have to worry about parking there are some great condos and apartments in this area. This area is also close to local transit and has easy access to the highway into Seattle and Bellevue.