Open the Expedition 3 tuckbox and remove the components.
Each player should:
• Take the 1 Crustacean with 1 Fish core discovery tile from their tile bag and place it, undiscovered side up, in the centre zone of their ocean board (1).
• Add the 3 Jellysh tiles in their colour to their tile bag (2).
• Place their ship in any ocean zone and place their submersible on any vertex adjacent to the zone their ship is in (3).
• Attach an Octopus to an Octopus stand and place it on any vertex adjacent to the vertex their submersible is on (4).
• Place the Jellysh and Octopus advanced species guides below the core species guides.
• Place the points of interest references close to players.