Full list of all 10 Submerged (EU) trophies - 5 bronze, 4 silver and 1 gold. It takes around 5-6 hours to unlock all of the trophies on PlayStation 4.
Stay in the boat for a complete day/night cycle
See all creatures
Gather all boat boosts
Gather all secrets
Finish the campaign
Visit all landmarks
Visit all of the hotels
Visit the n/e/s/w boundaries of the world
Climb to the highest point in the map
Use the postcard feature