Heart of the Sea

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Heart of the Sea
Heart of the Sea.png

Raw materials






Yes (64)

Namespaced ID


A heart of the sea is a rare item that can be crafted into a conduit.


Natural generation[edit]

Heart of the sea can be found in all buried treasure chests in stacks of 1.


Crafting ingredient[edit]

Name Ingredients Crafting recipe
Conduit Nautilus Shell +
Heart of the Sea


Java Edition
1.1318w15a Added heart of the sea.
18w19aHeart of the sea will now generate in all buried treasure chests in a stack of 1.
Bedrock Edition
1.4.0beta entry in the buried treasure loot table was added named nautilus_core, is unobtainable though since the nautilus_core had not been added into the game yet.
beta Added heart of the sea as an item obtainable in buried treasure chests. It cannot be used to craft conduits yet.
beta Updated textures.
1.5.0beta of the sea can now be used to craft conduits.
Legacy Console Edition
TU691.76Patch 38 Added heart of the sea.
Education Edition
1.4.0 Added heart of the sea, which at this time has no use yet. It generates in all buried treasure chests in a stack of 1.


Issues relating to "Heart of the Sea" are maintained on the bug tracker. Report issues there.


  • Before the release of the heart of the sea there was an entry found in the buried treasure chest loot table named nautilus_core which was later revealed to be the heart of the sea. Despite the name change the heart of the sea continues to be referred to as the nautilus_core in most game files.‌[Bedrock Edition only]