Reef's Harbour is a small fishing community located in St. Margaret's Bay. Its name comes from the shoals found along the coast. Reef's Harbour is a relatively new community and was not established as a permanent settlement until Edward Humber settled there in the 1920s. However, it was inhabited for many years as a summer home in 1907 by Joseph Tucker. James and Guy Marshall setup a store there in 1935 and the first school opened in 1948. There was a new school built in 1980s to serve the communities of Reef's Harbour, Shoal Cove West and New Ferolle. The downturn of the fisheries in the 1990's has resulted in a reduction in the local population.

In 2001 community and business services for Reef's Harbour are found in near by communities. Services include a K-12 school, Viking Trail Academy (located 12 kms north in Plum Point). Health care is provided in Port Saunders (59 kms south). A Canada Post Mail Box and retail store/gas bar are available. Community, recreational and other business services are found in the towns of Port Saunders, Port au Choix and Hawkes Bay 59 kms to the south or Plum Point 17 kms to the north.

Visitors to Reef's Harbour and area can enjoy the local scenery and wildlife.