Mappable Data Datasets Questions? Get in touch Hawaii Seawall Exemptions free Hawaii Seawall Exemptions free Information about properties in Hawaii that received exemptions from local and state laws that bar property owners from building seawalls. Provided in collaboration with Honolulu Star-Advertiser Learn more Source Honolulu Star-Advertiser, Hawaii Department of Land and Natural Resources, City and County of Honolulu, Hawaii Legislature, Maui County, and Kauai County Dates 2000-2020 Learn more