Crossword clues for Reefs. 4 lettersAnswerClueREEFSnorkeling destinationREEFCoral creationREEFCoral buildupREEFCoral constructionREEFDiver's domainREEFBoating hazardREEFCoral outcropREEFCoral habitatREEFOcean obstacleREEFCoral massREEFUnderwater obstacleREEFSnorkeling siteREEFPossible shipwreck causeREEFSea hazardREEFDiver's hauntREEFAtoll, for oneREEFHull hazardREEFBoundary of an 11-DownREEFGreat Barrier ___REEFBoat bottom basherREEFCoral designREEFBoat bottom bumperREEFRiffleREEFUnderwater hazardREEFSee 15-AcrossREEFSnorkeler's localeREEFUnderwater rock ridgeREEFNavigational hazardREEFUndoing of the HesperusREEFBuoy localeREEFCoral ___REEFBoater's hazardREEFShip wreckerREEFShallow sea featureREEFDiver's milieuREEFKeel scraperREEFSnorkeling localeREEFThe Earth's longest one measures over 1400 milesREEFShipping problemREEFKey, e.g.REEFShipwreck causeREEFGood snorkeling localeREEFA ship may be intentionally sunk to make oneREEFIt could rub against your junkREEFWhat Moana is repeatedly warned not to go past, in the Disney film "Moana"REEFShipwreck siteREEFLet goREEFThe world's largest structure made from living organisms is oneREEFScuba settingREEFOffshore hazard