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Several meters left of the area's Tree Spires entrance is a tunnel leading to the Crystal Caves. A Data Box containing the Water Filtration Suit blueprint, and a Spy Pengling Fragment can be found located on a terrace below the base. Multiple Thermal Spires and Tree Spires can also be found around the area, populated by Glowing Coral Shelfs, and Tree Spires Purple Coral. The sea floor is littered with flora native to the Tree Spires, and near it is an entrance to the aforementioned biome.
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The cave's ceiling is overrun by clusters of Hiveminds and Lilypad Roots, as well as an entrance to the Lilypads Crevice. The area consists of an open cave with a large mound protruding from the floor, which the base is located on. The base's surroundings bleeds into the Lilypads Crevice and Tree Spires biomes, as shown by the nearby Flora and terrain. After this, it is possible to enter and scan the Fridge, Shower, Sink and Toilet, as well as pick up a PDA log. It remains there until the quest to sabotage the Communications Tower is completed. Initially, the player is blocked from entering the second Large Room by Marguerit Maida's pet Snow Stalker laying in front of the door. There's also a Reaper Leviathan skull hung on a wall. First, leave from your Drop Pod in the Seatruck. The first Large Room contains a built Seatruck Perimeter Defense Upgrade, a Snowfox Fragment and the Test Override Module Fragment. The last time we encountered Marguerit was at Delta Station in her Modified Prawn Suit. Entry to the base is via a Bulkhead that separates the Moonpool from the base's interior, and it will be open after the player encounters Marguerit Maida at Delta Island. Follow the lamps into some of the caves and they have shale which has lithium, gold, and diamonds. On the right of the structure you will see a slope kind of, and there are lamps on the sides.
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The structure overall has a grimy and dishevelled exterior, and a dark and cluttered interior filled with hunting trophies, personal effects and partially dismantled equipment. Get on shore and explore, you should see a giant alien structure. The base consists of two interconnected Large Rooms, one with a Glass Dome roof, and a Moonpool containing Marguerit Maida's Prawn Suit connected by a right-angle section of corridor.
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