The Secret Master is one of the harder NPCs to stumble across in the First Sea, because nothing on the outside of the building hints that a room is there. It sits in Middle Town, tucked behind a wall you have to walk straight through, and the entrance is one floor above where most players are looking. If you know the landmark, the whole trip takes under a minute.
Quick answer: In Blox Fruits, fly or sail to Middle Town in Sea 1, go to the large green-roofed building behind the fountain, climb to the second-floor balcony, and walk through the window opening into the hidden room. The Secret Master stands next to the wooden barrels.
Secret Master NPC location details
Middle Town is the town island near the starter islands, and the building you want is the biggest one in the square. It is the town hall with the domed green roof, sitting directly behind the fountain. The room the NPC occupies is not on the map and has no visible door, so the balcony is the only way in.
| Detail | Where to look |
|---|---|
| Sea | Sea 1 (First Sea) |
| Island | Middle Town |
| Building | Large central town hall with the green roof |
| Landmark | Directly behind the fountain in the main square |
| Entry point | Second-floor balcony, through the window opening |
| NPC marker | Standing beside the wooden barrels inside |
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How to confirm you found the right NPC
Two things tell you the trip worked. The name plate above the character reads Secret Master, and standing close enough brings up the Interact prompt on screen. Middle Town also displays the Safe Zone banner with PvP disabled, so nobody can interrupt you while you are lining up the balcony jump.

Why players miss the room
Almost every failed attempt comes down to one of three things. Players try the ground floor, where the walkable door leads to a different room entirely — that one holds the Aura Editor and robotmega, not the Secret Master. Others hunt along the roofline instead of stopping at the balcony ledge one floor down. And some stop short of the wall because it renders as a normal window, when it is actually the entrance.
Tip: if you plan to come back, set your home point in Middle Town before you leave. It turns a repeat visit into a single spawn plus a short climb.
Middle Town is worth remembering beyond this one NPC. Sea 1 now carries 40 Island Secrets spread across its islands, each completed objective awarding a star, and collecting all of them unlocks a Teleporter in Middle Town. The green-roofed building is the anchor point for both, which makes the balcony route one of the more useful pieces of Sea 1 geography to have memorized.






