Businesses in Mercer Island

At a glance

As of August 2026, business.wiki lists 714 businesses in Mercer Island. 95% publish a phone number and 90% have a website, spread across 146 postcode districts. The city's most common business type is real estate service (50 listed).

By postcode district: 98040 (367)·98040-2744 (14)·98040-2830 (13)·98040-2835 (12)·98040-2897 (11)·98040-2823 (10)·98040-2159 (9)·98040-2804 (9)·98040-2970 (9)·98040-2142 (8)

Categories in Mercer Island

Featured in Mercer Island

• State Farm InsuranceFinancial ServiceWA
• ShellGas StationWA
• Terra BellaFlowers And Gifts StoreWA
• Orangetheory FitnessGymWA
• Mercer Island PediatricsPediatric ClinicWA
• Island Cats Veterinary HospitalAnimal Or Pet ServiceWA
• Island SquareHistoric SiteWA
• Coldwell BankersReal Estate ServiceWA
• Denise's Parrot PlaceAnimal And Pet StoreWA
• French American School of Puget SoundPlace Of LearningWA
• The Hadley ApartmentsHistoric SiteWA
• Banner BankBank Or Credit UnionWA
• U.S. Bank Mortgage Loan OfficerBank Or Credit UnionWA
• Mercer Island EyeworksVision Or Eye Care ClinicWA
• Mercer Island Veterinary ClinicAnimal Or Pet ServiceWA
• Mercer Island Country ClubSport Or Recreation ClubWA
• Mercer Island DentistryDental ClinicWA
• Island House Assisted LivingSenior Living FacilityWA
• Island Crest ParkParkWA
• Mercer Island Martial ArtsSport Or Recreation ClubWA
• John L. Scott Real EstateReal Estate ServiceWA
• KeyBankBank Or Credit UnionWA
• Sophia's European SalonPersonal Or Beauty ServiceWA
• Windermere MIReal Estate ServiceWA