A private boat tour typically means hiring a speedboat or yacht for the day with a captain and sometimes a guide. Expect to cruise out to the Rosario Islands, stop at a couple of beaches or cays for swimming and snorkeling, have lunch (often included or arranged), and return in the late afternoon. It's relaxed but not silent—there’s usually music, breeze, and a bit of salt spray. The boat feels like your own floating living room for 4–8 hours. Groups of 4–8 people split the cost and get more space than the packed catamaran tours.
Best time is December to March when the weather is driest and seas are calmer. June–November can be rainy and the water murkier, though you’ll have fewer crowds. Expect to pay around $350–650 total for a half-day private trip for up to 6 people; full-day tours with better boats and lunch run $550–950 depending on group size and boat quality. Always confirm exactly what’s included.
Pick a morning departure so you’re not baking in the midday sun and get first access to the nicer spots before day-trippers arrive. Skip the cheapest “private” offers—they often cram in extra people or use old boats. Bring reef-safe sunscreen, a hat, and cash for incidentals. If you get seasick easily, take something before leaving the harbor.
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