Florida Country Club Living at its Best! Mariner Sands embodies the essence of South Florida living.  We are a private, gated Golf and Country Club community of beautiful homes and warm, friendly residents with active lifestyles in the heart of Florida's Teasure Coast.  We host two championship golf courses, a premier tennis facility, and a year round active social and club calendar for our residents. Winner of the 2010 Environmental Stewardship Award from the Keep Martin Beautiful organization!