Heart of the Sea — only one use, where to find, current market price.
Heart of the Sea is the rarest ocean drop in Minecraft and only has one use: crafting a Conduit. Worth understanding even if you only ever want to buy one.
ONE source only: buried treasure chests found via Treasure Maps. Treasure maps come from:
| Source | Time investment | Hearts per hour |
|---|---|---|
| Cartographer trade-loop | 30 min setup, 2-3 hrs/heart | ~0.5 |
| Shipwreck farming | 1-3 hours per shipwreck | ~0.1 |
| Treasure-map runs (5 maps batched) | 4 hours | 2-3 |
| State | Where | Price |
|---|---|---|
| Raw Heart of the Sea | /order | 35-55k coins |
| Conduit (crafted with 8 nautilus shells) | /order | 95-130k coins |
Always craft to Conduit before selling. The materials math:
For dedicated treasure-map farming:
Costs ~52 emeralds per map. Each map = 1 Heart of the Sea.
Does Looting affect Heart of the Sea? No — treasure chests have fixed loot pools.
Can I duplicate Heart of the Sea? No vanilla method. Treasure maps are the only way.
Is the Conduit worth crafting personally? Yes for underwater bases. See Conduit guide.
Published at Jun 15, 2026