Popular recreational activities in the park includes bird, whale and turtle watching as well as camping, walking, swimming, boating, snorkelling and diving.

Capricornia Cays National Park is noted for its biological diversity, beauty and for provided habitat for a number of endangered plants and animals.

In particular the cays are recognised as having the largest breeding population of endangered loggerhead turtles in the South Pacific.

[2] Seasonal closures in some areas is imposed to protect breeding seabirds.

[3] Vegetation on the cays is dominated by the flowering tree species, Pisonia grandis.