| Business | Phone |
| Little Acorn Day School 4030 86th Ave Se E, Mercer Island 98040 | (206) 236-0480 |
| West Mercer Kids Co 4141 81st Ave Se, Mercer Island 98040 | (206) 230-6255 |
| Lakeridge Kids Co 8215 Se 78th St, Mercer Island 98040 | (206) 230-6028 |
| Laura's Home Daycare 8825 Se 37th St, Mercer Island 98040 | (206) 232-4545 |
| Mercer Island Learning Lab 2825 W Mercer Way, Mercer Island 98040 | (206) 232-7661 |
| Mercer Island Montessori 7844 Se 71st St, Mercer Island 98040 | (206) 275-1738 |
| North Mercer Kids' Co 4030 86th Ave Se, Mercer Island 98040 | (206) 230-8147 |
| North Mercer Kids' Co 8215 Se 78th St, Mercer Island 98040 | (206) 232-2257 |
| Patti's Play Ctr 4400 86th Ave Se, Mercer Island 98040 | (206) 232-4453 |
| Pixie Hill Preschool 8805 Se 40th St, Mercer Island 98040 | (206) 236-1380 |