From Nadi you can reach decent snorkeling in 45-90 minutes by boat. Expect warm, clear water over shallow reefs with plenty of colorful fish, occasional turtles, and the chance of small reef sharks on the better trips. Most outings are half-day (4-5 hours) and include basic gear, lunch or snacks, and a guide. The ride itself can be bumpy if the wind is up; once you're in the water it's relaxing and suitable for beginners, though the reefs aren't as pristine as the outer islands. Visibility is usually good but drops after heavy rain.
The dry season from May to October is noticeably better—calmer seas, less rain, and higher visibility. December to March can still work but expect more chop and occasional cancellations. Expect to pay around $90–$200 per person depending on duration and whether sharks or dolphins are on the itinerary. The shorter reef trips are usually $90–$120; the longer “ultimate” outings with multiple stops run $180–$200.
Pick a morning departure that visits two different sites; it’s worth the small extra cost over the cheapest single-stop options. Skip the dolphin “guaranteed sighting” tours—they’re hit-and-miss and the animals are often quite far from the snorkel areas. Bring your own mask and snorkel if you have them; rental gear is functional but older.
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