Related Clues:

• Mariners' milieu
• Nereids' home
• Waves home?
• Sailors' setting
• "... take arms against a __ of troubles": Hamlet
• Marine headquarters?
• Certain body of water
• Black __
• Red or Aral follower
• Shark's venue
• Siren setting
• Yellow ___
• School setting?
• Baltic or Black, e.g.
• Word with ''legs'' or ''air''