Mont Choisy and Trou aux Biches are both important watersports centres. Activities on offer range from touring the lagoon in a glass-bottomed boat to parasailing, waterskiing, deep-sea fishing, snorkelling and diving.
There are numerous Mont Choisy dive centres, charging around Rs 1500 for a day dive or Rs 2000 for a night dive. They can arrange PADI-accreditation courses.
Horse Riding Delights is an excellent riding school on the northern edge of Mont Choisy. It offers 90-minute rides in over 200 hectares of land amid deer and giant tortoises.