Related Clues:

• Key feature?
• Navigation hazard
• Snorkelers' site
• Tropical fish hangout
• Coral deposit
• Coral structure
• Bikini feature
• Subsurface hazard
• It's just below the waves
• Keel scraper
• Wreck site
• Inland sea
• Setting for Shields, once
• Type of knot
• Coral habitat