Related Clues:

• Sargasso or Adriatic
• Serpent's home, maybe
• Setting for much of 'Lord Jim'
• Setting for most of "Titanic"
• "The Little Mermaid" milieu
• Contents of expense account found all around Ireland
• Marmora or Caspian
• Continental divide of a sort
• "America the Beautiful" waterway
• The deep chair maybe with no back
• Thing miraculously parted
• Yellow, Black, or Red
• Waves home
• "Finding Nemo" environment
• Naval burial site, maybe