Nautilus Diver

A Vanilla Friendly Solution to the Longest Aquatic Problem!

267 Downloads

neoforgeequipment

Rent Server with this Mod

About this Mod

A Simple Mod that adds a new Helmet to the game that is Vanilla Friendly!

The Nautilus Helmet can be crafted using 2 Nautilus Shells, 2 Copper and a Heart of the Sea.
Nautilus Helmet Crafting Recipe
It provides the wearer with infinite water breathing effect (unlike the turtle shell).

Available Versions

Nautilus Diver 1.0.0release

MC 1.21.1neoforge

September 26, 2025

How to Install Nautilus Diver 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 (1.21.1).

Install Mod

Open the mod browser in the dashboard and search for "Nautilus Diver". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

neoforge

Minecraft Versions

1.21.1

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Nautilus Diver 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 (1.21.1). You can switch loaders with one click in the panel.

Is Nautilus Diver compatible with neoforge?

Nautilus Diver officially supports neoforge for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Nautilus Diver – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Nautilus Diver 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.