The Mercer Island Baha'i's are a monotheistic religious group that places their faith in the unity of God and…More religion.</p> <p>The local church does not have a meetinghouse on Mercer Island or regularly scheduled meetings, so call for worship service times.</p>

The First Church of Christ, Scientist was the second church to arrive on Mercer Island in 1929, and its members built…More what is now the Methodist Church on 24th Street. The Christian Science Church is now located mid-island, just off Island Crest Way.</p> <p>Christian Science was first established as a religion by Mary Baker Eddy in 1866 and continues on Mercer Island as a branch of The Mother Church—The First Church of Christ, Scientist, in Boston, Mass.</p>