A typical catamaran snorkeling trip from San Juan takes you to the reefs and small cays east of the city, usually around Icacos or similar spots. The boat ride is about an hour each way. Once there you’ll spend roughly an hour snorkeling in relatively shallow, calm water with decent visibility if the weather cooperates. Expect to see colorful fish, small rays, and the occasional turtle. The boat itself is usually a large sailing catamaran with plenty of shaded seating, a bathroom, and a crew that handles the sailing and serves drinks and lunch. It’s a relaxed, social day—more floating bar than hardcore adventure.
Best time is December through April when the trade winds are steadier and seas are calmer. Summer and fall can be hot, humid, and more prone to afternoon showers or rougher water. Expect to pay around $120–$180 per person for a full-day trip that includes snorkel gear, lunch, and open-bar drinks. Private charters run significantly higher.
Pick a smaller group size if you can; the big party boats get loud and crowded. Skip the tours that advertise water slides and endless rum if you actually want good snorkeling—by the time they blast music and pour heavy drinks, half the boat is too buzzed to snorkel well. Bring your own reef-safe sunscreen and a waterproof phone case.
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