Related Clues:

• High ______
• Notable septet
• Salty seven
• Huge expanses
• Classic septet
• Large bodies of salt water
• Seven wet ones
• Seven ___
• Black and Bering
• Bering and Tasman
• This puzzle's theme features 10 of these
• Lunar regions
• Google rival
• Nautical seven
• Dead and Caspian