Many hotels provide windsurfing and kayaking equipment for their guests, and for those who prefer less strenuous communing, there's usually a glass-bottom boat to be found. For Jules Verne fans, lead-booted, bubble-headed 'undersea walks' can be arranged near Grand Baie reef, as can a ride on La Nessee, a semi-submersible boat - sort of like a submarine - that allows a close-up tour of the reefs without the nuisance of getting wet.

Surfing was big on the island in the 1970s, until the rising costs of airfare and accommodation drove surfers to seek bluer pastures. Now, with vacation costs back to bearable, the crowds are picking up again. The area around Tamarin is said to be the best spot to drop in, and the season lasts from around June to August. Diving around the island is not especially interesting, save for off the outer isle of Cargados Carajos, but there are no dive operators there. On Mauritius, the best dive sites are around Flic en Flac on the west coast. Snorkelling is a better proposition, with over-the-side boat trips running from most major hotels and from Grand Baie beach. The best swimming beaches are all at the northern end of the island.

Serious anglers will love the superb deep-sea fishing in the waters off Mauritius, where there are healthy populations of blue and black marlin, bonita and yellowfin tuna, several species of shark and spectacular sailfish to hook into. Overall, October through April is the best time to sink a line, though there are fish to be caught year round and the wahoo don't start biting until September.

Though Mauritius is promoted primarily as a 'beach' destination, the attractions of hiking and trekking through the interior are legion. For lowland walking, take into account the heat and humidity. For highland treks, come prepared for rain at any time of year, especially from October to March. The Réserve Forrestière Macchabée and Black River Gorges National Park provide the bulk of the wild walks on the island, though there are some fantastic short-but-strenuous hikes in the hills around Moka Town. Curepipe, atop the plateau, is the best place for trekkers to stock up before a trip. Caving aficionados will want to visit Caverne Patate on Rodrigue

With its host of cultures and multinational residents, it's no surprise that Mauritius celebrates an equally diverse number of holidays and special events. Teemeedee, a Hindu and Tamil fire-walking ceremony held in honour of various gods, takes place throughout the year but mostly in December and January. Hindus celebrate the major Thaipoosam Cavadee in January or February at temples throughout the island. Look for processions carrying flower-covered wooden arches and pots of milk, with devotees skewering their tongues and cheeks in homage to the second son of Lord Shiva. Around the same time, the resident Tamils mark the end of the harvest season by feeding rice pudding to decorated cows in the festival of Pongal, and Chinese New Year is celebrated with the standard barrage of fireworks and foodstuffs.

Maha Shivaratri occurs over three days in February and March and is the largest and most important Hindu festival outside of India. Most of the island's Hindu population makes a pilgrimage in honour of Lord Shiva to the holy volcanic lake Grand Bassin, where they make food sacrifices and stockpile vessels of the holy water. If you happen upon a celebration of Holi, the Hindu festival of colours, count on a good soaking: exuberant celebrants throw cupfuls of coloured powder and water on anyone in their path sometime in February or March. Independence/Republic Day is 12 March. Similar in intent to the teemeedee celebrations, Hindu and Tamil sword-climbing spectacles take place mostly between April and June. Père Laval Feast Day in September marks the anniversary of the Catholic convert-king's death, and pilgrims come from all over the world to his shrine at Ste-Croix to pray for miracle cures and such.

Muslims celebrate Eid-al-Fitr to mark the end of the fasting month of Ramadan, which is the ninth month of the lunar year. Though the date of Eid-al-Fitr varies from year to year - for the next few years, it's in January and is always a public holiday.