Forgotten Island - Blox Fruits (Second Sea)

Forgotten Island is the island with the giant skull in the Second Sea, intended for levels 1425 to 1500, between Ice Castle and Indra Island. You farm Sea Soldiers and Water Fighters there before facing Tide Keeper, the local boss.

How to get it

The island is located between Snow Mountain and Hot and Cold, in the Second Sea. A Set Home Point is available there - set your spawn upon arrival to farm stress-free.

What you can find there

Forgotten Quest Giver: Sea Soldier (Lv. 1425, 12,250 Beli), Water Fighter (Lv. 1450, 12,500 Beli) and Tide Keeper (Lv. 1475, 12,500 Beli)
Tide Keeper (boss), which spawns on the small island behind the main cliff
Sharkman Teacher, Boat Dealer, and Set Home Point
9 chests total: 3 Silver, 5 Golden, and 1 Diamond

Tips

Tide Keeper does not appear on the main island - look for the small island behind the cliff.
With its 9 chests, the island is worth visiting on a loot run.