| Business | Phone |
| Church-Jesus Christ-Lds 1004 Island Crest Way, Mercer Island 98040 | (206) 236-3041 |
| Diane Oleson 8600 Se 36th St, Mercer Island 98040 | (206) 232-4405 |
| Mercer Island Baptist Church 5017 90th Ave Se, Mercer Island 98040 | (206) 232-2851 |
| Mercer Island Covenant Church 3200 78th Ave Se, Mercer Island 98040 | (206) 232-1015 |
| Mercer Island Presbyterian Chr 3605 84th Ave Se, Mercer Island 98040 | (206) 232-5595 |
| Mercer Island United Methodist 7070 Se 24th St, Mercer Island 98040 | (206) 232-3044 |
| North Pacific Conference Ofc 9311 Se 36th St 208, Mercer Island 98040 | (206) 275-3903 |
| Prayer Works Christian Science 7420 Se 24th St 4, Mercer Island 98040 | (206) 275-2271 |
| Redeemer Lutheran Church 6001 Island Crest Way, Mercer Island 98040 | (206) 232-1711 |
| Seattle Armenian Apostolic Ch 111 E 80th St, Mercer Island 98040 | (206) 623-4767 |
| St Monica Catholic Church 4301 88th Ave Se, Mercer Island 98040 | (206) 232-2900 |
| Toward Tradition 9311 Se 36th St 100, Mercer Island 98040 | (206) 236-3046 |