Culebra is known to those who cherish it as "the Spanish Virgin Island." It is a tiny unspoiled treasure of the Caribbean. Officially, Culebra is part of Puerto Rico so visitors are within a US TERRITORY. Passports are unnecessary and the currency is U.S. dollars. Culebra caters to eco-tourism providing great opportunities for turtle watching, sailing, snorkeling, diving, surfing, flats and off shore fishing, sea kayaking, bird watching, and hiking. You will find are some of the most beautiful beaches in the Caribbean. Search for Flamenco Beach on the web, it's been rated 3rd within the 10 most beautiful beaches in the world. ZONI Beach is a 2 mile beach with white sand, season turtle nesting and blue waters. The coral formations around the pristine shoreline and the surrounding Cays make up an underwater forest of uncompromising beauty and adventure. Culebra also offers smaller off island islands that are officially part of Culebra, Culebrita Island and Luis Peña Cay are two undeveloped treasures designated as wildlife reserves.