Unseaworthy
Modby murphy_slaw
A mod that makes boats unsuitable for ocean voyages.
Type
Mod
CurseForge Downloads
38,637
CurseForge ID
Modrinth Downloads
31,991
Modrinth ID
Last Updated
Oct 31, 2026
Description
Unseaworthy
This mod makes vanilla minecraft boats unseaworthy. They operate normally on rivers and near shorelines, but as soon as they enter an ocean biome, they begin to be tossed by the sea and eventually break apart.
Features
- Boats deployed on water begin shaking and bouncing upon entering ocean biomes (any biome in the
c:is_oceanbiome tag). - You can optionally set a minimum water depth for boats to sink in tagged biomes.
- A configurable number of ticks later, the boat is wrecked.
- The % chance of being wrecked each interval is configurable.
- Wrecked boats can be configured to:
- SINK: boat is pulled underwater and ejects passengers
- BREAK: boat is broken and drops its item entity
- DESTROY: boat is destroyed and drops a random number of planks and sticks
- Optionally set a miniumum weather condition to sink boats. Defaults to CLEAR (i.e. always sink boats) but can be set to RAINING or THUNDERING.
Datapack Stuff
You can change which types of boat entities sink with the entity tag
unseaworthy/tags/entity_types/sinkable.json
On 1.21.1 it's
unseaworthy/tags/entity_type/sinkable.json
You can change which biomes cause boats to sink with the biome tag
unseaworthy/tags/worldgen/biome/sinks_boats.json
Why would you want that?
I needed a way to encourage players to build actual ships in a mod pack that is all about ocean voyages. Boats are too good, so I made them worse.
Acknowledgements
Graphics
Icon: "Bailout" by Luis Prado from Noun Project (CC BY 3.0)
Compatibility
Mod Loaders
Game Versions
Recommended Gear
AffiliateHardware and extras that pair well with this mod.
As an Amazon Associate I earn from qualifying purchases.
Screenshots
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