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Ocean Core

A mod that turns the world into a ocean with islands scattered about
by TysonTheEmber
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94,652 downloads
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Updated Jul 6, 2026
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Biomes Dimensions Skyblock Structures World Gen

OceanCore

OceanCore is a Forge 1.20.1 world generation mod focused on ocean-heavy worlds.

It adds a custom world preset that turns the overworld into a deep-ocean map with scattered islands, coastlines, and archipelago-style terrain while keeping the Nether and End vanilla.

Features

  • Ocean-focused overworld generation
  • Deep oceans with scattered islands
  • Uses vanilla overworld biome selection for broad compatibility
  • Config options for island spacing, island size, coastline shaping, ocean depth, and compatibility overrides

How to Use

  1. Install OceanCore on Minecraft Forge 1.20.1.
  2. Create a new world.
  3. Select the OceanCore preset during world creation.

Notes

  • Best used for new worlds.
  • Nether and End generation remain vanilla.
oceancore-1.2.6.jar
MC 1.20.1, Forge, Server
Release 2026-07-03 Get

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