How to Get New Base Building Items in Subnautica 2

This Subnautica 2 guide details how you can unlock new base building items in the game to expand your base. When you first start building a base in Subnautica 2, the options can feel very limited. You only have access to a simple corridor and a hatch at the beginning, which makes the bases look small and unfinished. Even though that setup is enough to survive early on.

Base Building Items Guide – Subnautica 2

At the start, it is important for you to focus on building a working base rather than worrying too much about appearance. A basic corridor with a hatch can keep you alive as long as it has power.

Adding solar panels is one of the first things you should do because they provide oxygen inside the base. Without power, the base becomes much less useful. However, solar energy becomes weaker at night, so placing several panels can help keep everything running after dark.

Most of the better building recipes can be unlocked through exploration and story progression. As you continue following the Noa objectives, you will regularly receive new black box signals. These signals guide you toward abandoned structures, research locations, and other important areas hidden underwater. Each location usually contains something new that can be scanned.

The scanner tool is the key to unlocking almost everything related to base upgrades. Whenever you enter one of these locations, look around carefully because many objects can be scanned. Furniture, storage containers, machines, decorations, and utility items may all unlock new recipes. Some objects only require one scan, while others need multiple fragments before the blueprint becomes available.

Many of the black box locations are filled with signs of previous human activity, including lights, damaged structures, and abandoned rooms. These areas often contain several useful blueprints close together. You may find beds, stools, lockers, repair tools, and even larger machines that can all be added to your base later.

One especially important item to interact with is the bio bed. Using it increases your inventory size, which becomes very useful once you start carrying more materials and equipment during longer expeditions. Some black box locations also contain larger room pieces and additional structural parts for expanding your base into something much bigger than a simple hallway.

That is all for this guide. Additional Subnautica 2 guides are linked below:

This concludes our Subnautica 2 guide on how you can unlock new base building items in the game. If you want to add anything to this guide, feel free to use the comments section below.