Greystone Retreat: year-round 5-bedroom luxury rental on the shores of Georgian Bay, Ontario, Canada. Ideal for relaxation, entertainment and enjoyment ... a place to share with family and friends. Privacy and comfort on one acre watrfront property, adjacent to Greystone Trails (13km of trails on 430 acres of private managed forest and wildlife reserve). Ideal for small groups (scrapbookers, quilters, seminars, hikers and nature enthusiasts) and family reunions.