South of St Vincent and and northeast of Canouan Island in the Grenadines, the snorkeling at Mustique is known for its numerous cove dive sites. One of the more popular sites is the house reef off Mustique Water Sports where the water is 20 feet deep with patchy reefs.
To reach St Vincent and the Grenadines by air starting in 2015, you can fly into the new Argyle International Airport on St Vincent which will be offering nonstop flights to both North America and Europe. Alternately, there are inter-island flights from one of the near by Caribbean islands. St Vincent and Union Island are served by inter-island flights from Puerto Rico, St Lucia and Barbados. There is an inter-island ferry service and small inter-island flight service between St Vincent, Union Island and the Grenadines. For inter-island flights, there is a small airport located on the north side of Mustique Island.
Overall, Mustique is the 6th most popular snorkel dive spot of all 7 snorkeling dives in St Vincent.