Expect warm, clear water over shallow reefs with lots of fish and the occasional turtle. Most trips head to the northern islands or the southwest coast; you’ll spend a few hours snorkeling in two or three different spots. The experience is relaxed rather than adrenaline-filled – you jump in, drift with the current, and climb back for snacks and drinks. Visibility is usually excellent, but it drops after heavy rain or on very windy days. The boat ride itself can be choppy, especially on the west coast in winter.
The best time is October to April when the sea is calmer and water temperatures sit around 26–29 °C. June to August is windier and cooler; snorkeling is still possible but less comfortable and the water is often murkier. Expect to pay around $50–90 for a half-day trip and $80–130 for a full-day catamaran tour that includes lunch. Private or small-group options sit at the higher end.
Pick a smaller boat with a maximum of 12–15 people so you’re not fighting for space in the water. Skip the giant party catamarans that blast music and carry 40+ passengers; the snorkel stops feel rushed and the reef gets crowded. Bring your own mask and snorkel if you have them – rental gear is often old and leaks.
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