| Business | Phone |
| Key Bank 2731 77th Ave Se 101, Mercer Island 98040 | (206) 447-3040 |
| Pacific Northwest Bank 2918 78th Ave Se, Mercer Island 98040 | (206) 232-9300 |
| Us Bank 2737 78th Ave Se 102, Mercer Island 98040 | (206) 236-5909 |
| Washington Mutual Bank 7900 Se 28th St 101, Mercer Island 98040 | (206) 461-7000 |
| Wells Fargo Bank 3001 78th Ave Se, Mercer Island 98040 | (206) 232-1993 |