Related Clues:

• Need for 21-Across
• Vacation rental, maybe
• Huge amount
• Pirogue
• Vessel that's poled
• Huck's transport
• Finn's transport
• Huck's conveyance
• Mississippi transport
• River floater
• Lake craft
• Creek transport
• Castaway's creation
• It takes a paddling
• Makeshift river conveyance