Ocean ruin

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Ocean ruin
Underwater ruin cold.pngUnderwater ruin warm.png
Biomes
Consists of

See Structure

Can generate in
existing chunks

No

Nathan Adams Mojang avatar.png

We've ruined the game. Again.

Nathan Adams[1]
Tom Stone Mojang avatar.png

Imagine swimming in the deep oceans among kelp, seagrass and lots of fish, and suddenly you find a ruined, overgrown village! What's the story of the village? Can you find treasures in there? Maybe you can rebuild the ruins to be your very own ocean base? It's all up to the players!

Tom Stone[2]

Ocean ruins, also known as underwater ruins, are oceanic structures primarily composed of stone bricks or sandstone. They come in many different sizes varying from large villages to single ruined huts. They are common and come in cold and warm variants.

Generation[edit]

Cold ocean ruins generate in normal, cold, and frozen ocean biomes, as well as their deep variants. They are composed of stone materials.

Warm ocean ruins generate in warm, lukewarm, and deep lukewarm ocean biomes, and are composed of sandstone and stone materials.

Although most ocean ruins generate underwater, they will sometimes generate on land.

Structure[edit]

All but two of the structures will contain a loot chest with loot inside. The chest will contain loot for specifically either a small or large sized ocean ruin structure and may be buried by some sort of material such as gravel and sand.

Cold ocean ruins are primarily composed of stone bricks and gravel, and will also contain prismarine, sand, magma blocks, sea lanterns, polished granite, glazed terracotta, bricks, planks, cobblestone, mossy cobblestone, stone brick stairs, obsidian, and/or a chest with loot in it. Warm ocean ruins are primarily composed of sand and sandstone, and will also contain polished granite, polished diorite, sea lanterns, magma blocks, gravel, terracotta, sandstone stairs, and/or a loot chest.

The shape and size of ocean ruins varies greatly, and they will often generate together in groups to create ruined villages.

One may use structure blocks to manually load the pieces of the ruins from the /data/structures/underwater_ruin folder in minecraft.jar. To do so, set a structure block to Load mode, enter underwater_ruin/structure_name, and press LOAD.

Ruins naturally generate with their Structure Integrity reduced

The following is an incomplete table of the structures with their filenames, descriptions and what they consist of:

Structure name Description Consists of Images
big_brick_1 A chunk-sized structure with a mostly gravel floor and a large, multidimensional arch. These 3 generate combined with each other. 239 Gravel

97 Stone Bricks

8 Chiseled Stone Bricks

4 Prismarine

4 Magma Block

1 Sand

1 Chest (random loot)

Big cracked 1.png
big_cracked_1 215 Gravel

97 Cracked Stone Bricks

8 Chiseled Stone Bricks

5 Prismarine

4 Magma Block

2 Sea Lantern

1 Sand

1 Chest (random loot)

big_mossy_1 226 Gravel

97 Mossy Stone Bricks

8 Chiseled Stone Bricks

4 Prismarine

3 Magma Block

2 Sea Lantern

1 Sand

1 Chest (random loot)

big_brick_2 A chunk-sized structure consisting of two connected rooms, one taller than the other. These 3 generate combined with each other. 209 Stone Bricks

192 Gravel

39 Chiseled Stone Bricks

15 Polished Granite

6 Prismarine

4 Purple Glazed Terracotta

2 Sea Lantern

1 Magma Block

1 Chest (random loot)

Big mossy 2.png
big_cracked_2 209 Cracked Stone Bricks

206 Gravel

39 Chiseled Stone Bricks

15 Polished Granite

5 Magma Block

5 Prismarine

4 Purple Glazed Terracotta

2 Sea Lantern

1 Chest (random loot)

big_mossy_2 209 Mossy Stone Bricks

199 Gravel

39 Chiseled Stone Bricks

15 Polished Granite

7 Prismarine

4 Purple Glazed Terracotta

3 Magma Block

2 Sea Lantern

1 Chest (random loot)

big_brick_3 A chunk-sized structure consisting of two large unconnected rooms, one much taller than the other and having an open top. These 3 generate combined with each other. 301 Stone Bricks

205 Gravel

55 Chiseled Stone Bricks

17 Polished Granite

10 Bricks

6 Sand

2 Magma Block

2 Sea Lantern

1 Chest (random loot)

Big ruin 3.png
big_cracked_3 301 Cracked Stone Bricks

217 Gravel

55 Chiseled Stone Bricks

17 Polished Granite

10 Bricks

2 Sand

2 Sea Lantern

1 Magma Block

1 Chest (random loot)

big_mossy_3 301 Mossy Stone Bricks

208 Gravel

55 Chiseled Stone Bricks

17 Polished Granite

10 Bricks

8 Sand

2 Magma Block

2 Sea Lantern

1 Chest (random loot)

big_brick_8 A chunk-sized structure with little height, looks similar to a floorplan of a large building. Remnants of wood floors are present. These 3 generate combined with each other. 210 Gravel

88 Stone Bricks

12 Sand

9 Spruce Planks

8 Dark Oak Planks

3 Magma Block

1 Chest (random loot)

Big ruin 8.png
big_cracked_8 224 Gravel

88 Cracked Stone Bricks

9 Spruce Planks

8 Dark Oak Planks

8 Sand

3 Magma Block

1 Chest (random loot)

big_mossy_8 221 Gravel

88 Mossy Stone Bricks

11 Sand

9 Spruce Planks

8 Dark Oak Planks

3 Magma Block

1 Chest (random loot)

big_warm_4 A chunk-sized structure featuring a large sandstone arch. 220 Sand

152 Cut Sandstone

24 Polished Granite

18 Chiseled Sandstone

4 Sea Lantern

3 Magma Block

1 Chest (random loot)

Big warm ruin 4.png
big_warm_5 A chunk-sized structure with a tall tower in the center. It looks similar to a fountain. 222 Sand

43 Cut Sandstone

12 Sandstone

8 Polished Granite

5 Magma Block

4 Polished Diorite

2 Sea Lantern

1 Chest (random loot)

Big warm 5.png
big_warm_6 A chunk-sized structure featuring 4 sandstone arches. 219 Sand

129 Cut Sandstone

4 Chiseled Sandstone

4 Magma Block

2 Sandstone

2 Sea Lantern

1 Chest (random loot)

Big warm 6.png
big_warm_7 A chunk-sized structure with an open sandstone dome. 202 Sand

100 Cut Sandstone

24 Gravel

8 Chiseled Sandstone

4 Polished Granite

2 Magma Block

2 Sandstone

1 Sea Lantern

1 Chest (random loot)

Big warm 7.png
brick_1 A small building without a roof. These 3 generate combined with each other. 37 Stone Bricks

36 Gravel

17 Mossy Cobblestone

1 Sea Lantern

1 Chest (random loot)

Ruin 1.png
cracked_1 36 Gravel

35 Cracked Stone Bricks

17 Mossy Cobblestone

1 Sea Lantern

1 Chest (random loot)

mossy_1 38 Gravel

32 Mossy Stone Bricks

19 Mossy Cobblestone

1 Magma Block

1 Sea Lantern

brick_2 A small structure with not much height. Consists of randomly placed stone bricks and mossy cobblestone. These 3 generate combined with each other. 39 Gravel

9 Stone Bricks

8 Mossy Cobblestone

2 Magma Block

1 Chest (random loot)

Brick 2.png
cracked_2 30 Gravel

9 Cracked Stone Bricks

6 Mossy Cobblestone

2 Magma Block

1 Chest (random loot)

mossy_2 37 Gravel

10 Mossy Cobblestone

9 Mossy Stone Bricks

2 Magma Block

1 Chest (random loot)

brick_3 A small structure featuring a stone brick arch. These 3 generate combined with each other. 30 Gravel

20 Stone Bricks

2 Chiseled Stone Bricks

2 Magma Block

2 Stone Brick Stairs

1 Cobblestone

1 Sand

1 Chest (random loot)

Ruin 3.png
cracked_3 35 Gravel

20 Cracked Stone Bricks

5 Sand

2 Stone Brick Stairs

1 Chiseled Stone Bricks

1 Cobblestone

1 Magma Block

1 Obsidian

1 Chest (random loot)

mossy_3 30 Gravel

21 Mossy Stone Bricks

4 Sand

2 Stone Brick Stairs

1 Chiseled Stone Bricks

1 Cobblestone

1 Magma Block

1 Chest (random loot)

brick_4 A small structure featuring a small, domed building. These 3 generate combined with each other. 71 Stone Bricks

30 Gravel

4 Dark Oak Planks

3 Sand

2 Spruce Planks

1 Magma Block

1 Chest (random loot)

Ruin 4.png
cracked_4 71 Cracked Stone Bricks

35 Gravel

4 Sand

1 Dark Oak Planks

1 Stone Bricks

1 Chest (random loot)

mossy_4 70 Mossy Stone Bricks

27 Gravel

6 Dark Oak Planks

6 Sand

4 Magma Block

2 Spruce Planks

1 Chest (random loot)

brick_5 A small structure with a small, cuboid building. These 3 generate combined with each other. 39 Gravel

35 Stone Bricks

9 Polished Granite

8 Chiseled Stone Bricks

1 Chest (random loot)

Cracked 5.png
cracked_5 37 Gravel

35 Cracked Stone Bricks

9 Polished Granite

8 Chiseled Stone Bricks

1 Chest (random loot)

mossy_5 39 Gravel

35 Mossy Stone Bricks

9 Polished Granite

8 Chiseled Stone Bricks

1 Chest (random loot)

brick_6 A small structure that looks similar to a castle tower. These 3 generate combined with each other. 58 Stone Bricks

41 Gravel

24 Stone Brick Stairs

3 Mossy Cobblestone

2 Chiseled Stone Bricks

2 Polished Granite

1 Magma Block

1 Chest (random loot)

Mossy 6.png
cracked_6 58 Cracked Stone Bricks

41 Gravel

24 Stone Brick Stairs

2 Chiseled Stone Bricks

2 Polished Granite

1 Chest (random loot)

mossy_6 58 Mossy Stone Bricks

43 Gravel

24 Stone Brick Stairs

3 Mossy Cobblestone

2 Chiseled Stone Bricks

2 Polished Granite

1 Magma Block

1 Chest (random loot)

brick_7 A small structure that looks very similar to brick_5, cracked_5 and mossy_5, although with a slightly taller roof. These 3 generate combined with each other. 40 Stone Bricks

35 Gravel

6 Mossy Cobblestone

4 Chiseled Stone Bricks

1 Magma Block

1 Polished Granite

1 Chest (random loot)

Brick 7.png
cracked_7 40 Cracked Stone Bricks

35 Gravel

6 Mossy Cobblestone

4 Chiseled Stone Bricks

1 Magma Block

1 Polished Granite

1 Chest (random loot)

mossy_7 40 Mossy Stone Bricks

35 Gravel

6 Mossy Cobblestone

4 Chiseled Stone Bricks

1 Magma Block

1 Polished Granite

1 Chest (random loot)

brick_8 A small structure that looks similar to an igloo, although made of stone materials. These 3 generate combined with each other. 41 Stone Bricks

25 Gravel

11 Chiseled Stone Bricks

5 Dark Oak Planks

2 Magma Block

1 Chest (random loot)

Ruin 8.png
cracked_8 41 Cracked Stone Bricks

28 Gravel

11 Chiseled Stone Bricks

5 Dark Oak Planks

1 Magma Block

1 Chest (random loot)

mossy_8 41 Mossy Stone Bricks

27 Gravel

11 Chiseled Stone Bricks

3 Dark Oak Planks

1 Magma Block

1 Obsidian

1 Chest (random loot)

warm_1 A small structure with an open dome. Looks like a smaller version of big_warm_7. 75 Cut Sandstone

47 Sand

7 Polished Granite

1 Chest (random loot)

Warm 1.png
warm_2 A small hut with a large opening in the front. 42 Sand

36 Cut Sandstone

2 Light Blue Terracotta

2 Polished Granite

1 Chest (random loot)

Warm ruin 2.png
warm_3 A small hut that has an entrance on all sides. 36 Sand

24 Cut Sandstone

13 Polished Granite

2 Magma Block

1 Chest (random loot)

Warm 3.png
warm_4 A small structure featuring two small arches. 42 Sand

28 Cut Sandstone

10 Sandstone Stairs

2 Chiseled Sandstone

1 Magma Block

1 Chest (random loot)

Warm 4.png
warm_5 A small structure that is essentially a roof with multiple supports. 37 Sand

34 Cut Sandstone

1 Chest (random loot)

Warm ruin 5.png
warm_6 A small hut that looks similar to the ruin5 series, although made of sand materials. It is filled with sand and the entrance is blocked off. 48 Sand

39 Cut Sandstone

4 Light Blue Terracotta

1 Magma Block

1 Chest (random loot)

Warm 6.png
warm_7 A small structure that looks similar to the ruin2 series, although made of sand materials. 34 Sand

6 Cut Sandstone

3 Polished Granite

1 Chest (random loot)

Warm ruin 7.png
warm_8 A thin wall with multiple "windows". Appears to be a miniature cross section of big_warm_4. 56 Sand

19 Cut Sandstone

5 Magma Block

4 Sandstone Stairs

1 Chest (random loot)

Warm 8.png

Loot[edit]

Each underwater ruin big chest contains items drawn from 2 pools, with the following distribution:

Stack Size Weight # Items Chance # Chests
2–8× 2–8×
Coal 1–410314.03281.0%1.2
Wheat 2–310314.03281.0%1.2
Gold Nugget 1–310313.22681.0%1.2
Buried Treasure Map 110230.43543.5%2.3
Enchanted Book[note 1] 15230.21721.7%4.6
Enchanted Fishing Rod[note 1] 15230.21721.7%4.6
Emerald 11310.16114.9%6.7
Leather Tunic 11230.0434.3%23.0
Golden Apple 11230.0434.3%23.0
Golden Helmet 11230.0434.3%23.0

Each underwater ruin small chest contains items drawn from 2 pools, with the following distribution:

Stack Size Weight # Items Chance # Chests
2–8× 2–8×
Coal 1–410284.46484.2%1.2
Wheat 2–310284.46484.2%1.2
Rotten Flesh 15280.89359.6%1.7
Buried Treasure Map 15120.41741.7%2.4
Enchanted Fishing Rod[note 1] 15120.41741.7%2.4
Stone Axe 12280.35730.2%3.3
Emerald 11280.17916.4%6.1
Leather Tunic 11120.0838.3%12.0
Golden Helmet 11120.0838.3%12.0
  1. a b c All enchantments are equally probable, except treasure enchantments, and any level of the enchantment is equally probable.

Achievements[edit]

Icon Achievement In-game description Actual requirements (if different) Availability Xbox points earned Trophy type (PS)
Xbox PS Bedrock Nintendo
Atlantis?Find an underwater ruinNoPS4YesNo20GSilver

History[edit]

The first official image of underwater ruins.
The same image, brightened for clarity.
Java Edition
December 27, 2017A picture was released on Minecraft.net, which shows a faint underwater ruins structure in the top right corner, more visible when the image is brightened.
February 15, 2018Minecraft's Instagram account posted a video clip showing the underwater ruins that were to be added in the Update Aquatic.
1.1318w09aAdded underwater ruins.
18w10aBuried treasure explorer maps will now generate in the chests of underwater ruins.
18w16aDrowned will now spawn in underwater ruins.
Bedrock Edition
1.4.0beta 1.2.20.1Added underwater ruins.
Legacy Console Edition
TU681.76Patch 38Added underwater ruins.
Education Edition
1.4.0Added underwater ruins.

Issues[edit]

Issues relating to "Ocean ruin" are maintained on the bug tracker. Report issues there.

Trivia[edit]

An ocean ruin in Bedrock Edition that generated completely on land. Note the waterlogged chest and the water block above it that has not been updated.
An ocean ruin in Java Edition that also generated completely on land. Note that the loot chest is not waterlogged and doesn’t have a water block on it.
  • In the Bedrock Edition, the loot chest of ocean ruins will generate waterlogged as well as having a water block above it. This can be seen in the image on the right. It is unknown whether it is intentional that water is part of the ruin's structure. [3]
    • In the Java Edition though, this is not the case, according to the second picture. [4]

Gallery[edit]

Odd generation[edit]

References[edit]

  1. "Minecraft Snapshot 18w09a" – Minecraft.net, March 01, 2018
  2. "How We Ruin-ed Minecraft" – Minecraft.net, March 5, 2018
  3. MCPE-36793
  4. MC-136156