In Kauai, camping on the beach is legal only in designated beach parks and campgrounds. You will need to obtain a camping permit from the County of Kauai or the State of Hawaii, depending on the location. Some popular beach campgrounds in Kauai include Anini Beach Park, Haena Beach Park, and Salt Pond Beach Park. Camping outside of designated areas, including on the beach, is illegal and can result in fines. To learn more about beach camping in Kauai and to find campgrounds, visit Hipcamp.