Related Clues:

• Toy in a tub
• River vessel
• Deep-sea-fishing booking
• Tunnel-of-love vehicle
• Regatta entry
• Queen Elizabeth, e.g.
• The African Queen, e.g.
• Fishing vessel
• Canoe or dinghy
• Word after show or slow
• Marina tenant
• Cockleshell, for one
• See 12 Down
• Cruise vehicle
• Styx crosser