The Build a Boat for Treasure Wiki lists several common designs used by the community:
Necessary for positioning portals accurately at the end of stages. Build A Boat For Treasure Auto Farm
A basic method for creating an AFK farm involves using a portal and a wheel mechanism: The Build a Boat for Treasure Wiki lists
Uses a portal at the stage entrance to drop players into a collection area. Beginner-Friendly Setup Steps Build A Boat For Treasure Auto Farm