Rarotonga and Aitutaki are excellent for diving, snorkling, and fishing.If you have never been diving before there are qualified instructors who can expert tuition. You can even sit your certified dive course here in Rarotonga. 

The outer reef area offers a diverse range of diving locations with superb visibility, usually ranging from 100 to 200 feet, depending on wind and weather. Canyons, caves and varieties of coral, make it a most unusual terrain. There are also wrecks to explore and fish to hand feed. Rarotonga boasts crystal clear waters and warm inviting temperatures between 23 and 30 degrees celsius. All diving is shore based with the diving boats in the 5 to 7 meter size range. Trips usually depart in both the morning and afternoon.