Related Clues:

• Blue expanse
• Moby Dick's domain
• Hurricane birthplace
• Red or Black follower
• What ''My Bonnie lies over,'' in a song
• Cruising site
• The Atlantic, for one
• Realm of Proteus, in Greek myth
• Melville subject
• Cruise milieu
• Anemone's home
• Poseidon's purview
• Cousteau's domain
• Aegean or Baltic
• Black, for one