 The beaches and sea grass beds are feeding and nesting grounds for Green Turtles, Hawksbill Turtles and Leatherback Turtles.The reefs are home to many species of listed coral from the Milleporidae, Alcyonacea and Scleractinia families, there are also populations of Queen Conch and Caribbean Spiny lobster in the park.The islands of Mayreau and the Tobago Cays were under private ownership from at least the 16th Century up until 12 April 1999, when the Cays were purchased after long negotiations by the state of St. Vincent & the Grenadines.