All Modpacks
Castaway - Lost in the Seas
NeoForgeMC 1.21.1Adventure and RPGExplorationMultiplayer

Castaway - Lost in the Seas

by VoxelCore

Dive into the unknown, conquer the seas, defeat powerful foes, and uncover ancient secrets across ocean and land.

34.3K downloads
Created Nov 2, 2025
Updated Jan 21, 2026

About Castaway - Lost in the Seas

Castaway: Lost in the Seas is an exploration-driven adventure modpack that challenges players to uncover a dangerous and mysterious world shaped by discovery and survival, where the ocean is filled with countless structures to explore, powerful bosses to defeat, and hidden secrets beneath the waves. Sail across uncharted waters, delve into sunken ruins, shipwrecks, and ancient temples, and venture onto islands and remarkable inland biomes as you fight, explore, and uncover the lore of a world that constantly pushes you to adapt and survive. Designed around adventure, progression, and discovery, this modpack blends intense ocean exploration with classic land-based survival, dungeons, and boss battles. From diving into the depths to conquering forgotten lands, every expedition pushes you closer to mastering both sea and shore. 🌊 Key Features: Ocean-Focused Exploration: Vast and varied ocean biomes featuring coral reefs, kelp forests, deep trenches, volcanic zones, and unknown depths to explore. Adventure Structures & Dungeons: Shipwreck towns, sunken temples, sea ruins, abandoned lighthouses, island dungeons, and inland structures filled with loot, puzzles, and lore. Bosses & Dangerous Creatures: Face powerful oceanic bosses, legendary sea monsters, cursed guardians, and formidable land-based enemies that test your preparation and skill. Land Biomes & Hidden Regions: Discover rare islands, jungles, frozen lands, deserts, caves, and other unique biomes that provide resources, safety, and new challenges. Progression-Based Gameplay: Gear upgrades, boss progression, exploration rewards, and meaningful advancement across both aquatic and terrestrial environments. Ready to play with friends? Start your own Minecraft server now and dive into epic journeys with your friends! Enjoy powerful performance, stable uptime, and a hassle-free experience. Don’t forget to use code VOXELCORE for 25% off for your server!

Screenshots

Castaway - Lost in the Seas screenshot 1Castaway - Lost in the Seas screenshot 2Castaway - Lost in the Seas screenshot 3Castaway - Lost in the Seas screenshot 4Castaway - Lost in the Seas screenshot 5Castaway - Lost in the Seas screenshot 6

Frequently Asked Questions

How much RAM do I need for Castaway - Lost in the Seas?

We recommend at least 6-8GB of RAM for a small group. For 10+ players, allocate 10-12GB. Requirements increase with additional mods or plugins.

How do I install Castaway - Lost in the Seas on my server?

With our hosting, select Castaway - Lost in the Seas from the CurseForge library in your control panel. The modpack installs automatically with optimized NeoForge settings for 1.21.1.

Can I add more mods to Castaway - Lost in the Seas?

Yes, you can add compatible NeoForge mods for 1.21.1 through the server file manager. Check mod compatibility before adding to avoid conflicts.

Comments (0)

Sign in to join the discussion

Host This Modpack

Deploy Castaway - Lost in the Seas on a dedicated server with one-click installation, automatic updates, and optimized performance.

Get a Server
  • One-click Castaway - Lost in the Seas installation
  • Dedicated CPU & RAM
  • NVMe SSD storage
  • DDoS protection included

Modpack Details

Mod Loader
NeoForge
Minecraft Version
1.21.1
Downloads
34.3K
Author
VoxelCore
Created
Nov 2, 2025
Last Updated
Jan 21, 2026

Recommended Specs

1-5 Players

6-8GB RAM

5-15 Players

10-12GB RAM

15+ Players

12-16GB RAM

Similar Modpacks