Join #ThinkBlueSanDiego tomorrow, Sept. 18 in Ocean Beach for a beach #cleanup as part of #CoastalCleanupDay! You can join forces with San Diegans who #ThinkBlue and want to keep our beaches and waters clean. To register please visit: https://t.co/XKGQxQuzRA https://t.co/bQ4pmHgK7X via @CityofSanDiegoMore