SUBNAUTICA 2 GUIDEDeep-sea field manual
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Grand Reef Caves

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The Grand Reef Caves are narrow cave systems located within the Grand Reef biome. They serve as a reliable source for Ruby and Uraninite Crystals, which are easier to find here than in the surrounding area.

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Grand Reef Caves

GR Caves Infobox

PropertyDetails
TypeCave
Depth Range120 - 420 meters
Harvesting NodesShale Outcrop
MusicBlood Crawlers, Lost River

The Grand Reef Caves are cave systems that can be found in the Grand Reef. They are very narrow and have few resources but Ruby and Uraninite Crystal are easier to find here than in the biome itself.

Reginalds are found in abundance in these caves, too. The caves vary in depth.

Resources and Wildlife

One of the entrances to the Grand Reef Caves One of the entrances to the Grand Reef Caves

One of the many narrow tunnels in the Grand Reef Caves One of the many narrow tunnels in the Grand Reef Caves

Another view of the tunnels Another view of the tunnels

One of the largest rooms in the Grand Reef Caves One of the largest rooms in the Grand Reef Caves

A Uraninite Crystal in the Grand Reef Caves A Uraninite Crystal in the Grand Reef Caves

A Membrain Tree found in the Grand Reef Caves A Membrain Tree found in the Grand Reef Caves

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