
The Submarine can discover underwater treasures. Look for dive locations on the map, and send the submarine on missions. Upgrade the Submarine for deeper dives that yield greater rewards.
The Submarine in Boom Beach gives you the ability to discover underwater treasures. On your map you can find several Dive Locations, they are marked by a yellow buoy. Each Dive Location gives you a couple of targets to pick from. Be careful which targets you choose, you can’t retrieve all the treasures from a Dive Location. Each treasure can hold Diamonds, Resources or Power Stones for your Sculptor.
Level | Max Dive Depth | Upgrade Cost Wood | Upgrade Cost Stone | Upgrade Cost Iron | Upgrade Time | HQ Level | Xp Gain |
---|---|---|---|---|---|---|---|
1 | 600 | 50,000 | 12,000 | 3,200 | 2h | 9 | 1 |
2 | 700 | 57,000 | 13,500 | 3,600 | 3h 15m | 9 | 1 |
3 | 800 | 99,000 | 24,800 | 8,000 | 5h | 10 | 8 |
4 | 900 | 134,000 | 49,000 | 14,000 | 6h | 11 | 12 |
5 | 1,000 | 201,000 | 95,000 | 24,800 | 7h | 12 | 14 |
6 | 1,100 | 284,000 | 171,000 | 49,000 | 8h | 13 | 15 |
7 | 1,200 | 390,000 | 340,000 | 95,000 | 10h | 14 | 17 |
8 | 1,300 | 670,000 | 510,000 | 187,000 | 12h | 15 | 20 |
9 | 1,400 | 950,000 | 850,000 | 370,000 | 12h | 16 | 22 |
10 | 1,500 | 1,350,000 | 1,110,000 | 700,000 | 14h | 17 | 26 |
Submarine Tips
- You unlock the Submarine at HQ level 9.
- Search your map for Dive Locations, they are marked with a yellow buoy.
- Upgrade the Submarine for deeper dives with greater rewards.
- Be careful with picking you targets on each Dive Location, you can not recover all treasures.

Dive Location in Boom Beach