Subway adresses in Mercer Island‚ WA Home Work hours Subway hours Washington Mercer Island AddressPhoneMap7679 SE 27th St, Ste 9 Mercer Island(206) 236-2734 You May Like Baskin-Robbins hoursMcDonald's hoursMenchie's Frozen Yogurt hoursStarbucks hoursSubway hoursQdoba hoursPeople Are Reading