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Build An Island codes for September 2025

How to redeem Build An Island codes in Roblox.

A Roblox character chopping down a tree in the building game Build an Island.
Image credit: TJim's Studio / Eurogamer
Dion Dassanayake avatar
Guide by Dion Dassanayake Contributing Guides Writer
Updated on

Build An Island is a Roblox building game that's like a mix between Minecraft and Stardew Valley.

It was released soon after Grow a Garden, which is another management-style game that has taken Roblox by storm. This time around though, you're building an island instead of a garden, and you have to gather enough resources to keep expanding it. You have to cut trees and smash rocks like you'd do in Minecraft, and also plant seeds and hire workers to tend to crops like in Stardew. If you need a hand starting out, you can use some Build An Island codes to get tonnes of gold.

This vital currency is used to purchase extra seeds and potions from the Merchant, which will help you develop your island. Codes are usually shared on the game's Discord server, but to save you time we've rounded up all of the latest Build An Island codes so you can just focus on growing and expanding your island.

All working Build An Island codes

Here's all working Build An Island codes as of 5th September 2025:

  • SWAMP: 5,000 Gold, 25 Banana Crates
  • SAKURA: 10,000 gold, 1 Cherry Seed, 50 Banana Crates
  • 100MVISITS: 10,000 gold, 1 Galaxy Potion Dragonfruit Seeds, Banana Crates
  • MOUNTAIN: 500 gold, 1 Galaxy Potion, Coconut Seeds
  • ANIMALS: 500 gold
  • Hype: 500 gold
  • VOLCANO: 500 gold
  • 2000Follows: 500 gold
  • FreeGold: 250 gold
  • Autochoppers: 5 autochoppers

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How do I redeem codes in Build An Island?

Not sure how to redeem codes in Build An Island? Here's what you need to do:

  1. Launch Build An Island in Roblox.
  2. Select the cog button in the bottom right corner to access the 'Settings' menu.
    3. An arrow pointing at the settings button in the Roblox game Build an Island.
    Image credit: TJim's Studio / Eurogamer
  3. In the 'Settings' menu choose the 'Redeem' option.
    4. An arrow pointing at the redeem button in the settings menu in Build an Island.
    Image credit: TJim's Studio / Eurogamer
  4. Type a code into the text box and then select the 'Redeem!' button.
    5. An arrow pointing at the settings menu in the Roblox game Build an Island.
    Image credit: TJim's Studio / Eurogamer

All expired Build An Island codes

Currently, there are no expired codes for Build An Island. If any of the codes that are active right now stop working we'll update this section.

That's it for our Build An Island codes guide. If you need help with other Roblox games, head to our lists of Restaurant Tycoon 3 codes, Auruzz RNG codes, Grow a Garden codes, Dead Spells codes and Anime Saga codes.

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