Planner tool

Subnautica 2 Base Planner

Choose a starter base purpose and get a practical build checklist. This is intentionally simple until verified rooms and modules are known.

Starter Plan

Planning Rules

Build near a repeatable resource loop, not just a pretty view.
Put storage before decoration during the first two hours.
For co-op, create labeled lockers and agreed drop-off points.
Keep one route home visible from the water column.