Related Clues:

• Navigation hazard
• Snorkelers' site
• Tropical fish hangout
• Coral deposit
• Coral structure
• Bikini feature
• Rant and rave
• Subsurface hazard
• It's just below the waves
• Keel scraper
• Assault
• Wreck site
• Attack with vigor
• Blizzard, e.g.
• Type of knot