For a truly fulfilling experience in Saint Martin (Sint Maarten), 7 to 10 days is the ideal duration in 2026. This allows you enough time to appreciate the "dual personality" of the island without feeling rushed. With a week, you can spend 3 days on the Dutch side (Sint Maarten) enjoying the bustling nightlife of Simpson Bay and the famous plane-spotting at Maho Beach, and 4 days on the French side (Saint Martin) indulging in the world-class "Culinary Capital" of Grand Case and the chic boutiques of Marigot. 10 days provides the extra buffer needed for day trips to nearby islands like Anguilla or St. Barts, or for a full day of hiking the lush trails of Loterie Farm. While you can "see" the main sights in 3 or 4 days via a cruise stop or a long weekend, the island’s relaxed pace and diverse beaches—from the trendy Orient Bay to the secluded Happy Bay—are best enjoyed when you aren't watching the clock.