Several regions have taken significant steps to protect their marine ecosystems by banning the sale of sunscreens containing harmful ingredients. Some notable destinations include Hawaii, the U.S. Virgin Islands, Aruba, Key West in Florida, Bonaire, Palau, and certain ecotourism reserves in Mexico. These areas have implemented policies to ensure that only reef-safe sunscreens are used, helping to preserve their stunning coral reefs and marine life. Each destination has specific regulations in place, so it is essential to familiarize yourself with the laws when visiting.