The submarine is unlocked by completing the elite fishing achievements.
The submarine takes 2 days to return from its trip.
The following items drop from the submarine: (Note the current amounts and drop rates are from a small dataset)
| Image | Name | Amount | Drop Rate |
|---|---|---|---|
|
Seaweed | 2-29? | 100% |
|
Sea Molten Glass | 2-19? | 100%? |
|
Raw Angler Fish | 1-2? | 33%? |
|
Ancient Broken Key | 1-2? | 66%? |
|
Mixed Treasure Chest | 1-2 | 5% |