Deep Grand Reef

Detecting a titanium mass somewhere in this area. Unable to confirm whether it originated on the Aurora.

― The PDA, upon entering the Deep Grand Reef for the first time

This seems new This article contains information that is updated for the latest Experimental Version of Subnautica. Players using stable mode may find this information inaccurate.

The Deep Grand Reef is the deeper cavern system located under the Grand Reef, featuring many hydrothermal vents.

At the deepest point in this area, there is an entrance to the Inactive Lava Zone, nearby that, there is a large hole leading to the Lost River Ghost Canyon.

An abandoned seabase left by the Degasi survivors will be implemented in the Deep Grand Reef.^{[Citation needed]}

Resources

• Aluminum Oxide Crystal
• Diamond
• Gold
• Mercury Ore
• Salt Deposit
• Uraninite Crystal

Fauna

• Boomerang
• Crabsquid
• Jellyray
• Reginald
• Shoal of Fish
• Spadefish

Flora

• Floating Stones
• Purple Pinecone

Gallery

• 

  Overview

• 

  Aluminum Oxide found scattered in the caves around the area

• 

  Large thermal vents, aka "smokers", found at the bottom of the Deep Grand Reef

For a more complete gallery, visit Deep Grand Reef/Gallery.