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Seasickness on a Boat: How to Prevent and Manage It

January 25, 20262 min readInfinity Boat Charters
Seasickness on a Boat: How to Prevent and Manage It

Understanding why it happens

Seasickness occurs when your brain receives conflicting signals. Your inner ear senses motion, but your eyes might be focused on something stable like the cabin interior. This mismatch confuses your system, leading to nausea, dizziness, and that generally unpleasant feeling. The good news? Once you understand the cause, prevention becomes much easier. And Caribbean waters, particularly around St. Martin and St. Barth, tend to be calmer than open ocean—especially during the best sailing months.

Prevention strategies that actually work

Start before you board. Get a good night's sleep, eat a light meal, and avoid alcohol the night before. Dehydration and fatigue make everything worse, so arrive rested and hydrated. Once on the boat, position yourself wisely. The middle of the vessel experiences the least motion—stay there if you're feeling uncertain. Keep your eyes on the horizon rather than looking down at your phone or a book. Fresh air helps enormously, so stay on deck rather than going below. Ginger works for many people—whether as candies, tea, or supplements. Acupressure wristbands are another popular option. For those who know they're susceptible, over-the-counter medications like Dramamine or Bonine can be effective when taken an hour before departure.

If it happens anyway

Sometimes, despite your best efforts, seasickness strikes. Don't panic—it's temporary and manageable. Move to fresh air immediately. Focus on the horizon. Lie down if possible, with your eyes closed. Sip water slowly. Most importantly, remember that the feeling will pass, often within minutes once you're back on stable ground or in calmer waters. Experienced captains know how to help. They can adjust the route to calmer areas, suggest the best spot on the boat, and offer reassurance. Don't hesitate to speak up—crews deal with this regularly and want you to enjoy your trip.

Choosing the right trip for you

If you're nervous about seasickness, start with a shorter excursion in protected waters. A half-day trip around St. Martin's calm bays is gentler than an open-water crossing. The team at Infinity Boat can recommend routes suited to first-timers or those concerned about motion. Larger boats like catamarans also tend to be more stable than smaller vessels. With the right preparation and the right boat, seasickness becomes a minor concern rather than a trip-breaker.

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