19 Best Caribbean Islands to Visit by Cruise in 2026

10. Puerto Rico - American Territory with Latin Soul

Puerto Rico offers cruise passengers the unique advantage of visiting a tropical Caribbean destination without leaving U.S. territory, providing the convenience of no passport requirements for American citizens while delivering an authentic Latin Caribbean cultural experience. Old San Juan, a UNESCO World Heritage site, captivates visitors with its 500-year-old cobblestone streets, massive Spanish fortifications including El Morro and San Cristóbal, and colorful colonial buildings that house museums, restaurants, shops, and galleries showcasing local art and culture. The island's diverse geography ranges from the tropical rainforest of El Yunque, the only tropical rainforest in the U.S. National Forest System, to the bioluminescent Mosquito Bay on nearby Vieques, where microscopic organisms create a magical glowing effect in the water during nighttime kayak tours. Puerto Rican cuisine represents a sophisticated blend of Spanish, African, and indigenous Taíno influences, with signature dishes like mofongo, pasteles, and fresh seafood preparations that can be enjoyed at everything from street food vendors to world-class restaurants throughout the island. The island's beaches cater to every preference, from the surfing waves of Rincon and the calm family-friendly waters of Luquillo to the pristine sands of Flamenco Beach on Culebra, consistently rated among the world's most beautiful beaches. Adventure activities include zip-lining through rainforest canopies, exploring underground caves and cenotes, hiking to hidden waterfalls, and experiencing the vib