Heart of the Sea on DonutSMP — What It Does, Where to Find

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.

Where Heart of the Sea comes from

ONE source only: buried treasure chests found via Treasure Maps. Treasure maps come from:

  • Cartographer villagers (master level, 13 emerald trade)
  • Shipwreck chests (random loot pool)

The buried treasure hunt

  1. Get a treasure map (cartographer or shipwreck)
  2. Open the map → follow the X mark
  3. Bring shovel — treasure is buried 1-3 blocks deep in sand/gravel
  4. Each chest contains EXACTLY 1 Heart of the Sea

Yield rates

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

Selling Heart of the Sea on DonutSMP

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:

  • Heart of Sea: 50k
  • 8 nautilus shells (drowned drops): ~12k
  • = 62k total cost
  • Sells as Conduit: ~110k
  • Profit per conversion: ~48k

The cartographer farm strategy

For dedicated treasure-map farming:

  1. Capture 4-6 unemployed villagers near a coast
  2. Place cartographer tables, level them
  3. Trade for treasure maps repeatedly
  4. Run all maps in batched trips (saves travel time)

Costs ~52 emeralds per map. Each map = 1 Heart of the Sea.

Common mistakes

  • ❌ Buying treasure maps from non-master cartographers (wrong trades)
  • ❌ Forgetting a shovel (treasure buried under sand requires it)
  • ❌ Selling raw Hearts instead of crafted Conduits (leaves 50k/heart on the table)
  • ❌ Skipping the nautilus shell side-farm (you need them for Conduits anyway)

Frequently Asked

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.


Buy a Conduit ready-crafted → · Conduit setup guide →

Published at Jun 15, 2026