Related Clues:

• Arctic, for one
• Crater's edge
• Shark's place
• It may have a liner on it
• Top edge
• Davy Jones' locker
• Swordfish fishing site
• Whale's home
• Salt setting in a margarita
• Current locale
• Where to find the biggest floor
• Bermuda border
• Air balls miss it
• Vast amount
• Two-thirds of Earth