20 Best Minecraft 1.21 Island Seeds To Try Out (2025)

Island seeds are popular among many Minecraft players. The restricted starting spot adds more challenge to gameplay and constructions.

Plus, islands work well for themed builds such as castles and bases. If you're searching for the best Minecraft survival island seeds in 2025 or top Minecraft 1.21 seeds for island spawns, you've come to the right place. In this piece, we're highlighting the top 20 best Minecraft 1.21 island seeds worth trying in 2025, including some fresh finds for the latest version.

1. Twin Village Island

Seed: 6647031575022142850

This is a great island to kick off with. You get two villages close by for resources, and there's an exposed mineshaft near spawn too. If you fancy starting on an island but still want village perks, this seed's a solid choice.

Minecraft Seed Island Java August 2022 — 2 villages spawn very close to each other.

While there isn't much variety around, you still have the basics set up for an adventure nearby.

2. Multi-biome island

Seed: 5890542

This seed drops you on a big island about 2500 blocks across. It'll take some time to walk from one side to the other. The highlight here is all the different biomes on it, plus tons of overworld structures. You'll spot outposts and villages scattered everywhere.

Minecraft Seed Island June 2022 Bedrock — Players can start on the peninsula east of the giant island.

On top of that, five ancient cities pop up under this island, making late-game exploring easy.

3. Cliffside Island

Seed: 5834529665988435965

There's plenty happening on this island. It's packed with mushrooms, waterfalls, and lavafalls, and one side has a swamp around it. You can also spot a rare amethyst geode on the mountain side.

Cliffside Island — The island is fairly well designed, suitable for a base.

That said, there aren't many structures here. You might need to travel a bit to find the closest village.

4. Small Mountain Island

Seed -433322459

This is a little mountain island sticking right out of an Ocean biome, far from everything. It's ideal for folks wanting to begin an island survival run. At the top, there are a few tree types like Oak, Taiga, and Mushroom trees.

Colossus Island — This island is small but well designed.

The top feature is the big opening at the front that leads into an exposed cave.

5. Old spruce Island

Seed: 5159061350103682597

This river island is ringed by mushroom forests and features a large old-growth spruce forest. It's great for fantasy roleplay setups. If you head out further, there's a shipwreck close by and some amethyst veins. For trading, you'll need to go north to the savanna biome for villagers.

Old Spruce Island — It is not in the middle of the ocean so players would have an easier time exploring.

6. Hollow Island

Seed: -406272837565589926

This hollow island has a massive hole on one side going deep down. Besides that, there's one ocean ruin nearby, plus a few mineshafts and ravines.

It's also loaded with amethyst ores.

7. Crater Mountain Island

Seed: 162712994

Huge doesn't even cover this island. It has just one village, nicely placed next to a massive crater. You can grab resources from it and build the ideal home.

Minecraft Seed Island Bedrock April 2022 — The island is well designed for building a town or city.

There are loads of treasures too. Over 50 buried treasure chests are on this amazing island spawn.

8. Shipwrecked Village Island

Seed -1632228719230462182

The island is on the small side, so it's simple to locate all the structures and spots to check out. It mixes beach and forest areas, with lots of trees in the middle.

Shipwrecked Village Island — A good starting seed with a village and shipwreck

Adding to that, there's a village at one end. Across from it, a shipwreck sits on the beach. Both are right next to each other.

9. Snowy Plains Island

Seed: 4419775871458446239

This seed has a bunch of islands in the frozen ocean, and you start next to a village with a big mountain watching over it.

Snowy Plains Island — This seed is similar to the previous village seed, but with a winter theme.

For exploring, there are many mineshafts, a ruined temple nearby, and some treasure chests by the beach. The spot has plenty of amethyst geodes and other ores. Lots of ravines, so watch out for skeletons.

10. Mushroom Island

Seed: 1990724784183343429

This is a solid seed that puts you near a calm mushroom biome, right by an exposed underwater ruin. You can collect resources and gear up for the trip to the rare biome.

Bdfe7 16693855062010 1920 — The Mushroom biome is pretty much the best biome in the game.

The biome here is huge, offering lots of room to check out.

11. Shipwreck Island

Seed: -9142863513851137753

A top pick for Minecraft 1.21 survival island seeds, this one starts you on a small sand island with a shipwreck close by for early wood. There's also a Mooshroom Island at coordinates (0, 100), plus buried treasure, an ocean monument, and ruins.

12. Two-Tree Desert Island

Seed: -7740300553320684095

For a tough start in the best Minecraft island seeds 2025, you spawn on a large desert island with just two trees. It has a mineshaft, shipwreck, ruin, pillager outpost, and desert village nearby for resources.

13. Two-Tone Island

Seed: 1664128793606897522

This seed drops you on an island split between sand and forest, giving you trees for building. It's got a ruined portal, mineshaft, shipwreck, ruin, and plains village, making it great for rustic bases in Minecraft 1.21 seeds.

14. Ocean Of Ice Spikes

Seed: -6909477426377259322

Start on a tiny snowy beach with one tree, surrounded by ice spikes and polar bears. Features include shipwreck, ruined portal, buried treasure, mineshaft, ocean monument, and ruin for a challenging icy survival.

15. Lush Frozen Outpost Island

Seed: 6942699783490145785

This frozen island towers like an iceberg with a pillager outpost, but offers a tropical lagoon. Ideal for unique builds in top Minecraft survival island seeds.

16. Not-so-deserted Island

Seed: 655207162180

Spawn on an island with a small village, two sunken ships, a desert temple, and one tree. Perfect for starting a port or hermitage in Minecraft island spawn seeds.

17. The Twin Islands

Seed: 7850875

Two massive vertical islands: one badlands with trees, the other jungle with ruined nether portal, jungle temple, lush cave, and coral reefs. Works on Java and Bedrock for versatile play.

18. Survival Island

Seed: 2622795609673772012

In the middle of a frozen ocean with icebergs and a small taiga forest, this is a truly remote spot for pure survival in best Minecraft 1.21 island seeds.

19. Village Mansion Island

Seed: 5705783928676095273

Spawn on an island with a spruce village, nearby woodland mansion, and ocean monument. Great for exploration and base building.

20. Skull Island

Seed: 1040934860

A large island shaped like a skull with a lush cave, village, and mineshaft. Spawn on a desert village with rare loot below, ideal for easy starts in Minecraft survival seeds 2025.