Minecraft Java 1.21 Mods
Browse 9 free mods for Minecraft Java 1.21 — popular picks include FTB OceanBlock 2, Create: Stranded at Sea, Seaopolis Submerged 2.
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FTB OceanBlock 2
Nothing but endless ocean. No land. No rescue. You’re alone - or so you think...
Create: Stranded at Sea
An ocean survival, centered around create automation, adventure, and a fully integrated economy system.
Seaopolis Submerged 2
An ocean based survival questing modpack. Back for 1.21.1
Unstable SMP Simulator
Pre-configured Unstable SMP battle simulator modpack. Includes: Final Law Battle, 2v1000 Law Battle, Great Sea Law Battle, Tournament, Cindercrest Battle, Lakerek VS Wemmbu, Law End Island Defense, Mist, Smuggler Path Law Fight, Underworld
OceanBlock - Skyblock Reinvented
Skyblock, but in the ocean
SharkSquad - True Survivors
Survive against Titans in the apocalypse!
Eternal Ocean
An ocean world with creatable ships along with many new fishes and other creatures. Swimming and fishing are overhauled, along with plenty of new structures and biomes to explore.
Seaopolis Submerged 2 Modpack (1.21.1) – A New Generation of Underwater Skyblock
Seaopolis Submerged 2 Modpack is an ocean-based survival and questing modpack for Minecraft. Players are plunged into a fully custom underwater world called Seaopolis, filled with unique terrain, challenges, and surprises. Your journey begins inside a sealed glass sphere deep beneath the waves, where you must fight, build, and innovate to survive in a world […]
Subnautica After Zero Mod (26.1.2, 1.21.1) – Survive the Deep Sea and Uncover
Subnautica After Zero Mod brings the famous underwater survival game into your Minecraft world. It continues the story a few years after the events of Subnautica Below Zero. This mod adds familiar alien fish, special tools, and massive ocean biomes to explore. It is built specifically to work with a custom story map for the […]