: To take vehicles like the Seamoth or Cyclops into deeper regions, you must craft specialized Depth Modules . 0.5.8 Without these, vehicles take "crush damage" once they exceed their operational limit. 0.5.9
: For the deepest dives (below 900 meters), the Prawn Suit is the most reliable vehicle for navigating intense pressure and treacherous terrain. 0.5.19 subnautica-game
: As sunlight fades, the environment shifts to bioluminescent flora and fauna, such as the Glowing Jellyshroom Caves or the bio-luminescent Ghost River. 0.5.10 : To take vehicles like the Seamoth or
: A massive drop-off at the map's edge that goes down to 8,192 meters. 0.5.17 It is an ecological dead zone inhabited only by massive Ghost Leviathans designed to deter players from leaving the playable area. 0.5.4 , 0.5.10 0.5.19 : As sunlight fades
: Deep-sea biomes like the Lava Lakes (1300+ meters) introduce extreme heat, requiring reinforced hull upgrades or specific suit protections to survive. 0.5.14 Key Deep-Sea Features