St. Croix is the largest island in the U.S. Virgin Islands, located in the Caribbean Sea. It covers an area of about 84 square miles and is known for its beautiful beaches, lush landscapes, and vibrant culture. The island has a rich history influenced by various cultures, including Danish, African, and Spanish. The capital of St. Croix is Christiansted, which features historic buildings and a lively waterfront. The island is also home to several national parks, such as Buck Island Reef National Monument, offering opportunities for snorkeling and exploring marine life. St. Croix is a popular destination for tourists seeking relaxation and adventure.