Island Seeds
Ocean island survival seeds for a challenging start with limited land and resources.
Archipelago Adventure124014=-12
A chain of small islands stretches across the ocean, each with different vegetation and resources. Coral reefs connect the islands underwater. Multiple buried treasures reward exploration.
BeachhardBedrock Island Survival-1583879621
A compact survival island on Bedrock Edition with two palm-style trees and a buried treasure right on the island. Coral reefs ring the island, and a shipwreck within swimming distance gives your first iron.
BeachhardCoral Island Paradise-5911248890306909907
A sandy island sits in the middle of a warm ocean biome completely surrounded by coral reefs. Sea turtles nest on the beach and tropical fish fill the shallows. Buried treasure waits under the sand.
BeachnormalMushroom Island Neighbor7749012223830449981
Spawn on a regular island within swimming distance of a mushroom island biome. The mushroom island provides a completely mob-safe base while the ocean around offers resources and exploration.
BeachnormalSurvival Island Classic-3225194415428897685
The classic survival island experience. Spawn on a tiny island with a single tree and limited sand. A nearby shipwreck provides your first resources. Everything else must come from the ocean.
BeachhardVolcanic Island-83027412498176
A mountainous island with surface lava flows creating a volcanic appearance. The stony shore and exposed stone make it look like a volcanic island rising from the sea. Deep caves hide below.
Stony Shorehard
Woodland Island-8019901877,55168
A dark forest island houses a woodland mansion surrounded by ocean on all sides. The dense canopy makes the island feel isolated and eerie. Clear the mansion room by room for totem of undying drops and allays.
Dark ForesthardHow to survive an island start
Islands form in two ways. Some are pieces of an ordinary land biome, with trees, grass and sometimes structures, and those never have deep ocean around them, so the mainland is often not far off. Others are underwater hills that reach just above sea level. Those are usually tiny, a few blocks of sand or grass with no structures on them. Mushroom islands are the odd ones out, alone in deep ocean, and have a category of their own.
Wood sets the pace of the first day. If the island has a single tree, break the leaves before the trunk so the saplings drop, and plant them straight away. Five planks make a boat, which is how you reach other land. A bed needs three wool of one color, and with no sheep around, four string crafts a block of white wool, so twelve string from spiders will do.
The sea holds most of what the land lacks. Kelp grows in every ocean except warm and frozen ones and breaks by hand. Smelted into dried kelp it is food you eat twice as fast as anything else, though a piece only restores one hunger point, and nine dried kelp make a block that smelts 20 items as fuel. A shipwreck can carry up to three chests. The supply chest holds food like wheat, carrots and potatoes, the treasure chest holds iron, gold, emeralds and sometimes diamonds, and the map chest always has a map to buried treasure.
Nights are no safer than on the mainland. Hostile mobs spawn on island grass and sand like anywhere else, and the sea adds drowned. In Java a drowned needs water at least two blocks deep with a block light level of 0 and, in oceans, a spot below Y=58, so the deep water around a small island keeps producing them. About one in sixteen spawns holding a trident. Tridents can't be crafted, and a player kill drops one 8.5 percent of the time in Java and 25 percent in Bedrock.
Warm oceans change the list. They have coral reefs, tropical fish and pufferfish but no kelp, cod or salmon, and they often border deserts and badlands. Turtles spawn on beach sand, never on snowy beaches or stony shores. Breed two with seagrass and each baby drops a scute when it grows up. Five scutes make a turtle shell, which gives ten seconds of Water Breathing when you enter water.
Never entered a seed before? How to use Minecraft seeds covers both editions.
Questions about island seeds
Where do I find iron on a survival island?
Shipwreck treasure chests and buried treasure chests both hold iron ingots. A zombie killed by a player drops an iron ingot 2.5 percent of the time, while drowned drop copper ingots instead. The stone under the island has ore like anywhere else, so digging down works once you have a pickaxe.
How do I find buried treasure without the map?
In Java a buried treasure chest always sits at block 9, 9 inside its chunk, and in Bedrock at 8, 8. To turn that into coordinates in Java, read the chunk numbers on the F3 screen, multiply each by 16 and add 9. Dig there on beaches, where most of them generate; a few end up under the ocean floor instead. Every one of these chests has a heart of the sea.
How do I make a conduit?
Craft a heart of the sea surrounded by eight nautilus shells. Nautilus shells drop from drowned that spawn holding one, turn up rarely while fishing, and wandering traders sell them for five emeralds each. Put the conduit in the middle of a 3×3×3 pocket of water and frame it with at least 16 prismarine blocks or sea lanterns. Players in water or rain nearby then get Conduit Power, which works like Water Breathing, Night Vision and Haste together.
Is there an island seed template in Bedrock?
Yes. Survival Island is one of Bedrock's seed templates. When you create a world, open the Advanced section and press Templates next to the world seed field. It starts you on a small plains island with a village and a ruined portal, with a larger taiga island and a second village to the east. The template list needs an internet connection to open, and Java has no templates at all.
How do I stop drowned spawning around my base?
Light the water. Drowned only spawn in water with a block light level of 0, so glowstone or sea lanterns under the surface stop new ones appearing in that patch. In Java they also need water at least two blocks deep, so a ring of one-deep water around the base can't spawn any. Drowned from further out can still swim in.