South of St Vincent and and northeast of Union Island in the Grenadines, the snorkeling at Canouan Island is known for the barrier reef protecting the southeastern shores. The best snorkeling destinations on Canouan Island are Rameau Bay on the southeast coast and in Maho Bay on the northcoast. Maho Bay has very clear waters with a fringing reef. The 20 foot deep waters are known for their nurse sharks and colorful sea fans.
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 southwest side of Canouan Island.
Overall, Canouan Island is the 3rd most popular snorkel dive spot of all 7 snorkeling dives in St Vincent.