Fallout 4 – Underwater Secrets Exploration (Treasure Easter Egg #5)
Location: Crater House
INFO: (Make sure you have the perk that lets you breathe under water or you won’t make it there. It’s called Aquaboy and can be found in the endurance perk section)
Make your way to the Crater House on the right side of the map. The Crater House holds a lot of strong enemies and radiation. If you want to can sneak past the camp and just focus on the treasure.
The message in a bottle is locate very close, it’s lying next to some wood on the shore.
Follow the waypoint into the sea and dive down into the shipwreck to collect you underwater treasure.