Related Clues:

• Liner danger
• Shelf breakaway
• Glacial floater
• Polar bear playground
• Arctic Ocean floater
• It's mostly underwater
• It's frozen and floating
• A floating mountain
• Huge mass of frozen water
• Maritime danger, mostly underwater
• Large mass of floating water
• Large floating mass of frozen water
• Floating mountain
• A floating ice mountain
• Mass of floating ice