You can get to second sea in Blox Fruits by talking to the Experienced Captain after completing the Military Detective quest. In order to complete the Military Detective quest you will need to be at least level 700. Fortunately, the quest is fairly short, allowing you to get to the second sea fast.
1. Go to Prison and talk to the Military Detective on the dock, he will give you a key.
2. Head to the Frozen Village cave where you get Aura from.
3. Walk up to the big door on the left while holding the key out to unlock it.
4. Defeat the Ice Admiral boss, then click through the dialogue.
5. Return to the Military Detective and talk to him.
6. Go to the Middle Town docks where you can see Marine Starter.
7. Talk to the Experienced Captain and select Yes when asked if you want to go to second sea.
When Should I Go to Second Sea?
Although the requirement is level 700, you may contemplate waiting before going to the second sea. However, this really isn’t necessary. The Ice Admiral boss is fairly easy to defeat, and the Military Detective quest isn’t long at all. Because of this you’ll typically want to go to the second sea as soon as possible. Additionally, all the first sea fighting styles are available in second sea, so there’s really no reason to wait.
Do You Stay in a Private Server When You Go to Second Sea?
When you go to the second sea in a private server you will be remain in a private server. However, choosing to go back to first sea will typically put you back into a public lobby. Although, you can always leave and join the private server again to continue using it in the first sea.
How to Go Back to First Sea in Blox Fruits
If you ever want to go back to the first sea then you can talk to the Sea Captain on the side of the Kingdom of Rose docks. The captain will offer to take you back to the main world. Selecting yes will take you back to the first sea, spawning at either Pirate Starter island or Marine Starter island. Keep in mind that your set home teleport location for first sea will still work.
