
Under The Seas
Discontiued For Certain Amount Of Time A new gameplay to minecraft by exploring the darkness of the sea
Screenshots




About this Mod
Under The Seas mod
Its a very lightweight mod were you can explore the sea, but, isn't minecraft sea is normal nothing fun there right? So i added A BUNCH of fishes, sea mammals, hostiles, pasives, and fantasys (it maybe don't make any sense, sorry).
_
Better when using shaders_
Available Versions
How to Install Under The Seas on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set neoforge Loader
In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.4).
Install Mod
Open the mod browser in the dashboard and search for "Under The Seas". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.4
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Under The Seas server crashes on startup – what to do?
Most common cause: wrong neoforge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.4). You can switch loaders with one click in the panel.
Is Under The Seas compatible with neoforge?
Under The Seas officially supports neoforge for Minecraft 1.21.4. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Under The Seas – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Under The Seas consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Install Under The Seas with just one click on your server.