The 2018 World's Best Islands in Mexico & Central & South AmericaTravel+LeisureJuly 10, 2018, 11:43 AM GMTT+L readers favored islands with that little extra something this year.5. Ambergris Caye, BelizeScore: 80.384. Caye Caulker, BelizeScore: 82.863. Isla Mujeres, MexicoScore: 83.002. Easter Island, ChileScore: 86.671. Galápagos Islands, EcuadorScore: 88.53 Its no wonder the Galápagos has won top honors in this category for 16 years straight. Many of our readers said that visiting this archipelago, a popular place to see via expedition cruise ship, is a humbling, once-in-a-lifetime experience. Spectacular wildlife — iguanas, sea lions, penguins, blue-footed boobies — inhabit these volcanic islands. What this means for you: up-close encounters with some of the rarest, most exotic species in the world, as you go scuba diving and hiking. “It’s definitely worth the trip just to see the diversity of sea and land life here,” raved one reader. See all of our readers' favorite hotels, airlines, cruise lines, and more in the World's Best Awards for 2018.