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Minecraft Java 1.20 Mods

Browse 114 free mods for Minecraft Java 1.20 — popular picks include Seaopolis: Submerged, Wonderous Sea - An Endless Ocean Adventure, Create: Stranded at Sea.

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Seaopolis: Submerged
1.20.1forge

Seaopolis: Submerged

An ocean based survival questing modpack.

676kdownloads
Wonderous Sea - An Endless Ocean Adventure
1.20.1forge

Wonderous Sea - An Endless Ocean Adventure

Welcome to Wonderous Sea! Wonderous Sea is the last installment and attempt at the mod "Endless Ocean". Wonderous Sea adds a plethora of new animals, and items to the game. Geared towards making survival oceans much more lively!

350kdownloads
Create: Stranded at Sea
1.21.1neoforge

Create: Stranded at Sea

An ocean survival, centered around create automation, adventure, and a fully integrated economy system.

295kdownloads
Beyond Ocean
1.20.1forge

Beyond Ocean

Ocean Survival Modpack | Explore | Dive into the unknown | Survive

129kdownloads
Ocean Core
1.20.1forge

Ocean Core

A mod that turns the world into a ocean with islands scattered about

109kdownloads
One Survival Island
1.20fabric

One Survival Island

Datapack that creates a Single Survival Island in an Infinite Ocean World

101kdownloads
Shark Totem of Undying
1.17.1

Shark Totem of Undying

The Shark Totem resource pack transforms the totem of undying into a shark, offering Minecraft players an aesthetic that embodies the raw power and survival instincts of one of the ocean’s most revered predators.

24kdownloads
NANGMAN SEA
1.20.1forge

NANGMAN SEA

Can you survive in the sea?

17kdownloads
Ocean Raft
1.20.1forge

Ocean Raft

you start with a 3x3 raft or something of the users choicse but its a survival challange modpack

12kdownloads
Ship and Physics
1.20.1forge

Ship and Physics

Ships made of blocks with realistic ocean and waves, pirate sabers and pistols, this modpack will add ship physics to Minecraft, and there are resource packs for playing as a pirate or Viking.

11kdownloads
[Alone on a Raft] Ocean Survival
1.20.1forge

[Alone on a Raft] Ocean Survival

A perfect ocean survival modpack for a "100 Days" challenge!Explore a world of vast islands, craft an ever-growing boat, and survive dangerous sea creatures.

11kdownloads
Castaway - Island Survival
1.20.1forge

Castaway - Island Survival

Forge 1.20.1 | An aquatic island survival adventure with quests, custom world generation, ocean and island content.

10kdownloads
Atlantis: Fire Beneath Water
1.20

Atlantis: Fire Beneath Water

Classic underwater survival challenge map, now upgraded to Datapack | 经典水下生存地图数据包重制版《亚特兰蒂斯:水寒火暖》

7.2kdownloads
Society: Mystical Ocean
1.20.1forge

Society: Mystical Ocean

Explore the 5 major magic mods in a survival island world

6.3kdownloads
Chromakey
1.16

Chromakey

Changes Glowstone block texture to full green, Sea Lantern to blue and Shroomlight to red

5.3kdownloads
Arachnophobia - All the worst Phobias at once
1.20.1forge

Arachnophobia - All the worst Phobias at once

A hardcore horror survival modpack built around fear itself—spiders, darkness, oceans, snakes, and abandoned cities. Expect tense exploration, hostile nights, unsettling environments, and relentless survival where nowhere truly feels safe.

5.0kdownloads
Oceanic Survival
1.20.1fabric

Oceanic Survival

A single island surrounded by endless seas.

4.1kdownloads
Uiopik Aquatic Adventure
1.20.1forge

Uiopik Aquatic Adventure

A Minecraft Ocean Exploration Modpack. Inspired by Subnautica and other Ocean survival Games.

3.5kdownloads
Stranded Sea
1.20.1forge

Stranded Sea

Exploration, Underwater, Survival, Automation

1.7kdownloads
Ocean Survival
1.20.1forge

Ocean Survival

Survive in an ocean world full of ships!

1.6kdownloads
TCC: Seas
1.20.1forge

TCC: Seas

Focusing on underwater exploration, automation, tech, magic, and questing. This pack brings an optimized, fun experience.

1.2kdownloads
More Ocean Survival
1.20.1forge

More Ocean Survival

This modpack introduces additional adventuring opportunities to Minecraft's oceans!

1.1kdownloads
OCEANonly survival
1.20.1forge

OCEANonly survival

Survive in a world covered by ocean with only scattered islands to explore. Build sea bases, expand your resources, and thrive in an endless water world.

996downloads
Terra Wastelands
1.20.1forge

Terra Wastelands

players sail the seas, exploring islands and diving underwater to loot valuable resources. As they venture deeper, they must fend off zombies and mutants that pose constant threats. Balancing exploration, survival, and combat,

919downloads
Far Distant Shores
1.20.1forge

Far Distant Shores

Set sail in the true ocean modpack, featuring vast oceans, variety of biomes, and endless treasures to discover!

870downloads
Balanced Craftable Heart of the Sea
1.20

Balanced Craftable Heart of the Sea

A simple datapack that adds a challenging crafting recipe for the Heart of the Sea (requires a Nether Star) Intended for Skyblock, Superflat, Skyleaf Biomes and other limited overworld types.

94downloads
Nuclear sewage-核污水
1.20.2

Nuclear sewage-核污水

This is a data pack that can be used for island survival, players will get poison and nausea when they touch water, and after drinking the water lung potion, they will be immune to poison and nausea, and of course, players can take a boat without harm!

72downloads
Salmon Hunger Bar Resource Pack (26.2, 1.20.1) – Playful Ocean Vibes
1.20.1

Salmon Hunger Bar Resource Pack (26.2, 1.20.1) – Playful Ocean Vibes

Salmon Hunger Bar Resource Pack replaces the standard meat shank icons on your food bar with swimming salmon. This pack adds a playful marine look to your survival interface while keeping food levels clear to see. It updates standard hunger meters, hunger status effects, and works with popular food mods. Features: Replaces the default drumstick […]

Oak Shaders (26.2, 1.20.1) – Soft Lighting and Realistic Water Effects
1.20.1

Oak Shaders (26.2, 1.20.1) – Soft Lighting and Realistic Water Effects

Oak bathes your Minecraft world in smooth, calm lighting and adds beautiful water effects. This shader turns everyday survival into a peaceful journey with soft colors and natural shadows. Features: Realistic Water: Changes the blocky oceans into clear, moving water that looks like real life. Adds soft lighting across the land to make caves and […]

The Island Castle Map (26.2, 1.20.1) – Start Your Survival Story
1.20.1

The Island Castle Map (26.2, 1.20.1) – Start Your Survival Story

The Island Castle Map drops you onto a remote piece of land surrounded by the deep ocean. This map gives you a large medieval fortress to walk through and use as your own base. It runs in normal vanilla Minecraft without asking for any extra downloads. Features: Custom Island: Places you on a specially built […]

Better Bubbles Resource Pack (26.2, 1.20.1) – Texture Pack
1.20.1

Better Bubbles Resource Pack (26.2, 1.20.1) – Texture Pack

Better Bubbles Resource Pack simply enhances the appearance of the HUD survival bubbles, making them more visually appealing and easier to read. Within this clean pack, smoother & more stylish bubbles will create a refreshed, modern look for the breath bar. Whether you're exploring the depths of the ocean or just keeping an eye on […]

Pirate Fortress​ Map (26.2, 1.20.1) – Rule the Oceans From a Massive Island Fortress
1.20.1

Pirate Fortress​ Map (26.2, 1.20.1) – Rule the Oceans From a Massive Island Fortress

Pirate Fortress​ Map drops you onto a tropical island dominated by a huge stone castle. You can walk along the tall walls, check out the inner courtyard, and look out over the ocean from your new base. It gives you a perfect starting point for a pirate-themed survival world or a fun place to play […]

Cast Away Map (26.2, 1.20.1) – Lost in Code
1.20.1

Cast Away Map (26.2, 1.20.1) – Lost in Code

Cast Away Map throws you into the aftermath of a digital shipwreck, where a violent storm leaves you stranded on a mysterious island surrounded by endless ocean. Beneath its simple “survival island” label lies a familiar yet immersive experience – lush greenery, golden shores, and just enough isolation to make every decision matter. With nothing […]

Lava SkyBlock Map (26.2, 1.20.1) – Survival Above the Flames
1.20.1

Lava SkyBlock Map (26.2, 1.20.1) – Survival Above the Flames

Lava SkyBlock Map throws the classic Skyblock formula into the fire by replacing the endless void with an unforgiving ocean of lava. Starting on a tiny island with only a handful of blocks and a single tree, every action becomes a high-risk decision where one misstep means instant death. With no water, no safety net, […]

Warm Islands Mod (1.21.3, 1.20.1) – Generate Pirate Themed Worlds
1.21.3fabric

Warm Islands Mod (1.21.3, 1.20.1) – Generate Pirate Themed Worlds

Want to play around in a pirate themed world? Want to challenge yourself to a survival experience where no large landmasses are present? If the answer to either is yes, Warm Islands Mod is for you. The worlds you generate with this mod installed generate with warm islands and oceans, and nothing else. This paves […]

Isolated Island Fort Map (26.2, 1.20.1) – Survival Island
1.20.1

Isolated Island Fort Map (26.2, 1.20.1) – Survival Island

Isolated Island Fort Map is a survival map designed by Oldshoes. This map offers a peaceful yet fortified start to your next adventure-set on a small ocean-bound island, this charming build features unique architecture and a thoughtful floor plan perfect for survival gameplay or creative expansion. Whether you’re defending the seas or building your own […]