DatapacksJava
Integrated Seven Seas Data Pack (1.21.1, 1.20.1) – Battle Hostile Pirate Ships
Java data pack listed for Minecraft 1.20–1.21. Downloads from the MC Java Mods app on Android.
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Integrated Seven Seas Data Pack overhauls the structures from When Dungeons Arise – Seven Seas. It decorates ship interiors using blocks and items from Create, Quark, Supplementaries, and Farmer’s Delight. The data pack adds more monsters inside each vessel and balances chest loot for survival gameplay. Every ship now spawns only in deep ocean waters with plenty of open water around it so structures never collide.
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Features:
- Rebuilds ship interiors using decorative blocks from Create, Quark, Supplementaries, and Farmer’s Delight.
- Restricts ship spawns to deep oceans to prevent them from crashing into nearby world structures.
- Spawns extra hostile mobs across decks and cabins to create tougher ocean battles.
- Rebalances container loot so players earn top rewards after exploring entire ships.
- Works with custom ocean biomes and world generation mods through special compatibility tags.
- Excludes oversized structures like the Victory Frigate to keep ocean exploration balanced.
Screenshots:





Integrated Seven Seas Data Pack Download Links
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.1, 1.20.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
File checked by MCModsHub
- Downloads as 473581.mcpack
- Download size: 181 KB
- Download link checked 31 Aug 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.