AdventureLuxuryNatureTravelingUncategorizedWellness World’s 20 Most Luxurious Private Islands Advertisements 8. Calala Island, Nicaragua Forbes.com The locals call this area the NiCaribbean. It where the waters between Nicaragua and the Caribbean meet. You can book the entire tiny 10-acre island or a suite just for two. Either way, they only cater to and pamper, a maximum of 8 guests at a time. Advertisements