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The ocean is an aquatic biome consisting of water. Oceans are the largest biome by area, covering anywhere around 25-33% of the surface area of the Overworld when factoring in all of its varieties and consist of a deep water source with the surface at an altitude of y=63 by default, which is counted as the "sea level" layer of the world.

Description [ ]

The separate colors of each ocean variant in *Java Edition*.

Oceans are vast expanses of water, going from sea level all the way down to the ocean floor, which is at a depth of roughly Y=45. The seafloor is fairly hilly, featuring multiple peaks and valleys, and is mostly covered by a one-block layer of gravel, though some clay, dirt and sand patches may generate near the peaks. Ravines can occasionally generate on the ocean floor, forming underwater trenches. Some seafloor peaks may reach high enough to form islands on the surface of the ocean; these islands are typically small and may have very sparse vegetation with very little grass and oak trees. The seafloor is often covered with seagrass and kelp, with "forests" of kelp frequently reaching close to or even touching the water's surface. Fish, squid and dolphins frequently spawn within oceans. Shipwrecks and ocean ruins generate within all oceans, while deep ocean variants can occasionally generate ocean monuments.

Survival in ocean biomes themselves is impractical due to all the water. A player who camps on an island in the ocean faces a rather difficult situation. Ocean biomes are quite vast; one might not find the mainland for hundreds or even thousands of blocks. This means that whatever resources found on an island might be all the player has if the player is unwilling or unable to venture out. See the island survival article for more information.

Variants [ ]

Oceans come in nine different varieties in-game, including the base ocean and eight different variants. Bedrock Edition has two unused biomes, "deep warm ocean" and "legacy frozen ocean".

Ocean [ ]

This is the standard ocean variant. The regular ocean variant mainly generates when bordering temperate biomes such as plains and forests along with their variants.

In Java Edition, the mob spawn rate for regular oceans is:

Mob	Spawn weight	Group size
Hostile category
Spider	¹⁰⁰⁄_521.25	4
Zombie	⁹⁵⁄_521.25	4
Drowned	⁵⁄_521.25	1
Zombie Villager	⁵⁄_521.25	1
Skeleton	¹⁰⁰⁄_521.25	4
Creeper	¹⁰⁰⁄_521.25	4
Slime ^{[note 1]}	¹⁰⁰⁄_521.25	4
Enderman	¹⁰⁄_521.25	1–4
Witch	⁵⁄_521.25	1
Spider Jockey	¹⁄_521.25	1
Chicken Jockey	^0.25⁄_521.25	1
Water creature category
Dolphin	¹⁄₂	1–2
Squid	¹⁄₂	1–4
Ambient category
Bat	1	8
Underground water creature category
Glow Squid	1	2–4s
Water ambient category
Cod	1	3–6

↑ Spawn attempt succeeds only in slime chunks.

In Bedrock Edition:

Mob	Spawn weight	Group size
Water category
Cod	⁷⁵⁄₁₀₁	4–7
Salmon	²⁶⁄₁₀₁	3–5
Passive category
Dolphin	⁷⁄₁₅	3–5
Squid	⁸⁄₁₅	2–4
Hostile category
Spider	⁹⁹⁄₅₉₅	1
Zombie	^94.25⁄₅₉₅	2–4
Drowned	¹⁰⁰⁄₅₉₅	2–4
Zombie Villager	⁵⁄₅₉₅	2–4
Skeleton	⁸⁰⁄₅₉₅	1–2
Creeper	¹⁰⁰⁄₅₉₅	1
Slime ^{[note 1]}	¹⁰⁰⁄₅₉₅	1
Enderman	¹⁰⁄₅₉₅	1–2
Witch	⁵⁄₅₉₅	1
Spider Jockey	¹⁄₅₉₅	1
Chicken Jockey	^0.75⁄₅₉₅	1

↑ Spawn attempt succeeds only in slime chunks.

Deep Ocean [ ]

The deep ocean variant generates at deeper waters at very low continentalness values, with the depth usually being around 30 blocks which is twice as deep as shallower oceans. The ground is mainly covered with gravel. Ocean monuments generate in deep oceans, meaning guardians and elder guardians can spawn there. Dolphins, cod, salmon‌^{[ Bedrock Edition only ]} and squid spawn in these oceans as well. Underwater caves and ravines often generate here, forming underwater trenches. Tall seagrass also generates more frequently in deep oceans compared to shallower oceans.

Deep oceans use the same mob spawning chances as oceans.

Frozen Ocean [ ]

The frozen ocean has dark purple water at the surface and generates when an ocean is in a region with snowy biomes, and often borders snowy beaches. Like the standard and cold oceans, it has a gravel seabed, though the water's surface is mostly frozen. Neither seagrass nor kelp generates on the seafloor, leaving it entirely barren and reminiscent of pre-Update Aquatic oceans. Large icebergs made of snow blocks, packed ice and a bit of blue ice frequently generate on the surface, where rabbits,‌^{[ Bedrock Edition only ]} polar bears and strays may spawn. Salmon, cod‌^{[ Bedrock Edition only ]} and squid may spawn here as well and are the only aquatic mobs (other than drowned) that can.

Similarly to swamps, frozen oceans have varying temperatures across their landscapes, but have a more noticeable effect in that colder patches have snowfall and ice sheets, while warmer patches have rainfall (up to a certain height, similarly to windswept hills) and unfrozen water.

In Java Edition, frozen oceans use the same mob spawning chances as oceans for hostile, ambient and underground water creature categories. As for the others:

Mob	Spawn weight	Group size
Water creature category
Squid	1	1–4
Passive category
Polar Bear	1	1–2
Water ambient category
Salmon	1	1–5

In Bedrock Edition, frozen oceans use the same mob spawning chances as other oceans for water categories. As for the others:

Mob	Spawn weight	Group size
Hostile category
Spider	⁹⁹⁄₆₃₅	1
Zombie	^94.25⁄₆₃₅	2–4
Drowned	¹⁰⁰⁄₆₃₅	2–4
Zombie Villager	⁵⁄₆₃₅	2–4
Skeleton	²⁴⁄₆₃₅	1–2
Creeper	¹⁰⁰⁄₆₃₅	1
Slime ^{[note 1]}	¹⁰⁰⁄₆₃₅	1
Enderman	¹⁰⁄₆₃₅	1–2
Witch	⁵⁄₆₃₅	1
Stray	⁹⁶⁄₆₃₅	1–2
Spider Jockey	¹⁄₆₃₅	1
Chicken Jockey	^0.75⁄₆₃₅	1
Passive category
Squid	⁸⁄₁₇	2–4
Polar Bear	⁵⁄₁₇	1–2
Rabbit ^{[note 2]}	⁴⁄₁₇	2–3

↑ Spawn attempt succeeds only in slime chunks.
↑ 80% of spawned rabbits are white and 20% are black and white.

Deep Frozen Ocean [ ]

The deep frozen ocean generate at deeper waters and also contain ocean monuments. Icebergs may still generate, but unlike normal frozen ocean, there isn't a layer of ice present at sea level.^[1]‌^{[ Java Edition only ]}

Deep frozen oceans use the same mob spawning chances as frozen oceans.

Cold Ocean [ ]

The cold ocean uses a dark indigo water color at the surface and generates next to cold biomes like taigas and old growth taigas. Like regular oceans and frozen oceans, its floor is made up mainly of gravel. Salmon, cod, squid and dolphins‌^{[ Bedrock Edition only ]} are able to spawn in cold ocean biomes. The vegetaition in cold oceans also has less seagrass compared to other ocean variants.

In Java Edition, cold oceans use the same mob spawning chances as oceans for hostile, ambient and underground water creature categories. As for the others:

Mob	Spawn weight	Group size
Water creature category
Squid	1	1–4
Water ambient category
Cod	¹⁵⁄₃₀	3–6
Salmon	¹⁵⁄₃₀	1–5

In Bedrock Edition, cold oceans use the same mob spawning chances as oceans.

Deep Cold Ocean [ ]

The deep cold ocean generates at deeper waters being twice as deep, can generate ocean monuments and has higher amounts of tall seagrass.

Deep cold oceans use the same mob spawning chances as cold oceans.

Lukewarm Ocean [ ]

The lukewarm ocean has light blue water at the surface and generates in regions with slightly warm biomes like jungles and savannas. Its floor is made of sand, with occasional patches of dirt, gravel and clay in shallower areas. Ocean ruins that generate in lukewarm and warm oceans are made of sandy materials, as opposed to the stony materials that make up ruins in colder oceans. Cod, salmon‌^{[ Bedrock Edition only ]}, tropical fish and pufferfish‌^{[ Java Edition only ]} may spawn here, alongside the other aquatic mobs. This biome also has more seagrass and less kelp compared to colder ocean variants.

In Java Edition, lukewarm oceans use the same mob spawning chances as oceans for hostile, ambient and underground water creature categories. As for the others:

Mob	Spawn weight	Group size
Water creature category
Dolphin	²⁄₁₂	1–2
Squid	¹⁰⁄₁₂	1–2
Water ambient category
Cod	¹⁵⁄₄₅	3–6
Pufferfish	⁵⁄₄₅	1–3
Tropical Fish	²⁵⁄₄₅	8

In Bedrock Edition, lukewarm oceans use the same mob spawning chances as oceans for passive and hostile categories. As for the others:

Mob	Spawn weight	Group size
Water category
Cod	⁷⁵⁄₂₀₁	4–7
Salmon	²⁶⁄₂₀₁	3–5
Tropical Fish ^{[note 1]}	²⁵⁄₂₀₁	1–3
Tropical Fish ^{[note 1]}	⁷⁵⁄₂₀₁	3–5

↑ ^a ^b Tropical fish try to spawn twice, one for random pattern and another try for 1 of 22 unique pattern.

Deep Lukewarm Ocean [ ]

The deep lukewarm ocean generates in deep waters. Since they are a deep ocean variant, they can generate ocean monuments and have more tall seagrass.

In Java Edition, deep lukewarm oceans use the same mob spawning chances as oceans for hostile and ambient categories. As for the others:

Mob	Spawn weight	Group size
Water creature category
Dolphin	²⁄₁₀	1–2
Squid	⁸⁄₁₀	1–4
Water ambient category
Cod	⁸⁄₃₈	3–6
Pufferfish	⁵⁄₃₈	1–3
Tropical Fish	²⁵⁄₃₈	8

In Bedrock Edition, deep lukewarm oceans use the same mob spawning chances as lukewarm oceans

Warm Ocean [ ]

The warm ocean has an aquamarine water tone at the surface and generates next to deserts and badlands. Like the lukewarm ocean, it has a floor mainly made of sand, however no dirt, clay or gravel generate at shallower areas and if this biome generates above sea level, the surface is made of sand instead of grass blocks. Warm oceans feature coral reefs and numerous sea pickles, though kelp does not naturally generate here. Because of the height of the coral reef, warm oceans can appear more shallow than other oceans, though the actual ocean floor is no deeper. Tropical fish and pufferfish spawn here. This is also the only ocean temperature variant that can generate at deeper waters without needing a deep variant, and because of that monuments can't be found in this biome.

In Java Edition, warm oceans use the same mob spawning chances as oceans for ambient, hostile and underground water creature categories. As for the others:

Mob	Spawn weight	Group size
Water creature category
Dolphin	²⁄₁₂	1–2
Squid	¹⁰⁄₁₂	4
Water ambient category
Pufferfish	¹⁵⁄₄₀	1–3
Tropical Fish	²⁵⁄₄₀	8

In Bedrock Edition, warm oceans use the same mob spawning chances as oceans for passive and hostile categories. As for the others:

Mob	Spawn weight	Group size
Water category
Pufferfish	²⁵⁄₁₂₅	3–5
Tropical Fish ^{[note 1]}	²⁵⁄₁₂₅	1–3
Tropical Fish ^{[note 1]}	⁷⁵⁄₁₂₅	3–5

↑ ^a ^b Tropical fish try to spawn twice, one for random pattern and another try for 1 of 22 unique pattern.

Unused variant [ ]

Legacy Frozen Ocean [ ]

The legacy frozen ocean variant is similar to frozen ocean biomes, but without icebergs, making it look like flatlands of ice. Rabbits, polar bears and strays spawn in here. Rabbits have their snowy texture. No monsters other than drowned, strays and skeletons can spawn here. This biome also generates kelp. Those biomes were much smaller and existed prior in Pocket Edition v0.9.0 alpha. This biome does not naturally generate, though it can be generated using a biome editor or add-ons.

Legacy frozen oceans use the same mob spawning chances as frozen oceans for water and passive categories. As for the others:

In Bedrock Edition:

Mob	Spawn weight	Group size
Hostile category
Drowned	¹⁰⁰⁄₂₂₀	2–4
Stray	⁹⁶⁄₂₂₀	1–2
Skeleton	²⁴⁄₂₂₀	1–2

Sounds [ ]

When in any ocean biome, unique ocean ambience play randomly. Normal overworld tracks also play, alongside "Axolotl", "Dragon Fish" and "Shuniji", as the requirements for those are merely to be underwater rather than biome-determined.

Ambience [ ]

List
Name	Sound	Group
Underwater Ambience		Loop
Bubbles 1		Loop Additions
Bubbles 2
Bubbles 3
Bubbles 4
Bubbles 5
Bubbles 6
Water 1
Water 2
Animal 1		Rare Loop Additions
Bass Whale 1
Bass Whale 2
Crackles 1
Crackles 2
Driplets 1
Driplets 2
Earth Crack
Animal 2		Ultra Rare Loop Additions
Dark 1
Dark 2
Dark 3
Dark 4

Music [ ]

The tracks here by C418 have been shortened to 30 seconds on this wiki, due to an agreement with the composer.

Filename in Minecraft	Gameplay	Soundtrack Title	Soundtrack
Axolotl	Underwater	"Axolotl"^{[note 1]}	—
Dragon Fish	Underwater	"Dragon Fish"^{[note 2]}	—
Shuniji	Underwater	"Shuniji"^{[note 3]}	—

↑ Not included in any soundtrack; however, the name does appear within the metadata of the sound file itself (.minecraft/assets/objects/ee/ee92e4ed79b3c4c47eabe71b36375b5d3f05b017)
↑ Not included in any soundtrack; however, the name does appear within the metadata of the sound file itself (.minecraft/assets/objects/6b/6be4491a5d1a5f0dd68fb36c310ecfe3501cafe1)
↑ Not included in any soundtrack; however, the name does appear within the metadata of the sound file itself (.minecraft/assets/objects/fd/fd8db6a4ceb400e6abafb2a6b3ac53d871910b42)

Data values [ ]

ID [ ]

Java Edition:

Name	Identifier	Translation key
Ocean	`ocean`	`biome.minecraft.ocean`
Deep Ocean	`deep_ocean`	`biome.minecraft.deep_ocean`
Frozen Ocean	`frozen_ocean`	`biome.minecraft.frozen_ocean`
Deep Frozen Ocean	`deep_frozen_ocean`	`biome.minecraft.deep_frozen_ocean`
Cold Ocean	`cold_ocean`	`biome.minecraft.cold_ocean`
Deep Cold Ocean	`deep_cold_ocean`	`biome.minecraft.deep_cold_ocean`
Lukewarm Ocean	`lukewarm_ocean`	`biome.minecraft.lukewarm_ocean`
Deep Lukewarm Ocean	`deep_lukewarm_ocean`	`biome.minecraft.deep_lukewarm_ocean`
Warm Ocean	`warm_ocean`	`biome.minecraft.warm_ocean`

Bedrock Edition:

Name	Identifier	Numeric ID
[No displayed name]	`ocean`	`42`
[No displayed name]	`deep_ocean`	`24`
[No displayed name]	`frozen_ocean`	`10`
[No displayed name]	`deep_frozen_ocean`	`50`
[No displayed name]	`cold_ocean`	`46`
[No displayed name]	`deep_cold_ocean`	`49`
[No displayed name]	`lukewarm_ocean`	`45`
[No displayed name]	`deep_lukewarm_ocean`	`48`
[No displayed name]	`warm_ocean`	`44`
[No displayed name]	`legacy_frozen_ocean`	`43`

Achievements [ ]

Icon		Achievement	In-game description	Actual requirements (if different)	Gamerscore earned	Trophy type (PS4)
PS4	Other platforms	Achievement	In-game description	Actual requirements (if different)	Gamerscore earned	Trophy type (PS4)
		Sail the 7 Seas	Visit all ocean biomes	Visit all ocean biomes except the deep warm ocean/legacy frozen ocean (as they are unused)	40G	Gold

History [ ]

Java Edition Classic
0.0.12a				An infinite ocean now surrounds the map.
Java Edition Alpha
v1.2.0		preview		Added true biomes. While oceans were not technically their own biome, they would generate as "structures" between other biomes, similarly to mountains.
Java Edition Beta
1.8		Pre-release		As part of a biome overhaul, oceans have been made into their own proper biome.
				The ocean level has been decreased by one block (64 to 63).
				Oceans have been made much larger and take up most of the map and their floors were made of a mix of clay, dirt and sand.
Java Edition
1.0.0		Beta 1.9 Prerelease		Frozen ocean biome added. At this time, it generates as an ocean with a solid layer of ice at the surface. It also generates in small patches alongside the shore of the new snowy biomes.
1.7.2		13w36a		Deep ocean variant added, along with multiple other biomes.
				Oceans have been made much smaller. In addition, oceans now only have gravel as the ocean floor. In contrast, old oceans had their floors made out of dirt, sand and clay.
				Frozen oceans no longer generate naturally.
1.8		14w25a		Added ocean monuments, which generate in oceans.
1.13		18w08a		Added ocean variants, including warm ocean, lukewarm ocean, cold ocean, warm deep ocean, lukewarm deep ocean, cold deep ocean and frozen deep ocean.
		18w08a		Frozen ocean biome now generates naturally again, though differently from before.
		18w08b		Warm and lukewarm oceans now generate with sand floors.
		18w08b		Deep warm ocean biomes no longer generate naturally.
		18w09a		Added underwater ruin structures, which generate in all oceans.
		18w10d		Added coral reefs, which generate in warm oceans.
		18w11a		Added shipwrecks, which generate in all oceans.
		18w15a		Added icebergs, which generate in frozen oceans.
		18w15a		Ocean variants now have their own water colors.
		18w16a		Renamed FrozenOcean to Frozen Ocean.
		18w19a		Renamed Warm Deep Ocean to Deep Warm Ocean.
				Renamed Lukewarm Deep Ocean to Deep Lukewarm Ocean.
				Renamed Cold Deep Ocean to Deep Cold Ocean.
				Renamed Frozen Deep Ocean to Deep Frozen Ocean.
		pre5		Changed the ID `warm_deep_ocean` to `deep_warm_ocean`.
				Changed the ID `lukewarm_deep_ocean` to `deep_lukewarm_ocean`.
				Changed the ID `cold_deep_ocean` to `deep_cold_ocean`.
				Changed the ID `frozen_deep_ocean` to `deep_frozen_ocean`.
1.16		20w06a		Underwater ruins and shipwrecks are now rarer.
1.16.2		20w28a		Deep frozen ocean now has a layer of ice on the surface.^[2]
1.16.2		20w29a		Deep frozen oceans no longer have a layer of ice on the surface once again.^[3]
1.17		21w06a		All ocean biomes generate with a stone floor below Y=50 instead of a sand or gravel floor.^[4]
1.17		21w15a		All oceans generate with a sand or gravel floor once again.
1.18		Experimental Snapshot 1		Deep warm ocean biomes now naturally generate.
		Experimental Snapshot 1		The temperature of ocean and land biomes are now interrelated, instead of completely independent.
		21w37a		Drowned are now able to spawn in warm oceans.^[5]
		21w43a		The deep warm ocean biome has been removed.
Pocket Edition Alpha
v0.1.0				Oceans and frozen oceans have been added. While oceans were not technically their own biome, they would generate as "structures" between other biomes, similarly to mountains.
v0.9.0		build 1		As part of a biome overhaul, oceans have been made into their own proper biome.
				Deep ocean was added along with multiple other biomes.
				Frozen oceans were renamed to legacy frozen oceans and no longer generate naturally.
v0.16.0		build 1		Added ocean monuments with guardians and elder guardians.
Bedrock Edition
1.4.0		beta 1.2.14.2		Added warm ocean, lukewarm ocean, cold ocean and their deep variants. Also, there are new frozen oceans and deep frozen oceans.
				Added shipwrecks, icebergs and coral reefs.
				Changed ID of old frozen ocean to `legacy_frozen_ocean`.
		beta 1.2.20.1		Added underwater ruins.
1.17.0		beta 1.16.230.56		All oceans generate with a stone floor below Y=51 instead of a sand or gravel floor behind the Caves & Cliffs experimental gameplay toggle.^[6] This does not occur in the Old world type.
1.17.30		beta 1.17.30.23		All oceans generate with a sand or gravel floor once again behind experimental gameplay.
1.17.30		beta 1.17.30.23		Deep warm ocean biome now naturally generate behind experimental gameplay.
1.18.0		beta 1.18.0.20		Deep warm ocean biome now naturally generate by default without enabling experimental gameplay. Normal and deep frozen oceans now generate near snowy biomes.
1.18.0		beta 1.18.0.25		The deep warm ocean biome no longer generate naturally.
Legacy Console Edition
TU5	CU1	1.00	Patch 1	Added ocean biomes.
TU31	CU19	1.22	Patch 3	Added deep oceans.
TU31	CU19	1.22	Patch 3	Added ocean monuments.

Trivia [ ]

Before 1.18, the plains and forest biomes generated in patches within regular deep ocean biomes, similar to how "hills" biomes generated within their respective base biomes, creating islands.
- Although normal deep ocean biome could generate standalone, normal deep ocean biomes also generated in patches within normal ocean biomes.
Before 1.18, regular and deep frozen oceans could generate near any kind of biome. It was somewhat common to see an iceberg bordering a desert, savanna or badlands in Bedrock Edition. Until 1.18, frozen oceans had a rough regular ocean border to minimize this effect in Java Edition.

Gallery [ ]

Another view of a frozen ocean.
A reef less area of a warm ocean, with some sea pickles.
Another view of a deep lukewarm ocean.
An example of the random temperature variation within frozen oceans. The darker areas are colder, and have snowfall and ice sheets; the lighter areas are warmer, have rainfall and unfrozen water.
Same as the previous image, edited for better visibility.
An example of an ocean before Aquatic Update.
Sea pickles generating in an underground ravine.
A wrecked ship in an iceberg at a frozen ocean.
A small lukewarm ocean, looking like a bigger lake.
A school of 6 cod swimming in an ocean.
A ravine, shipwreck, ruin, and dolphins beneath the surface of an ocean.
Looking down into a deep ocean.
A ruined portal at the bottom of an ocean.
A deep ocean.

References [ ]

↑ MC-131587 – resolved as "Works As Intended"
↑ MC-131587 – Deep frozen ocean biome does not generate with ice on the surface
↑ https://bugs.mojang.com/browse/MC-131587?focusedCommentId=795166&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-795166
↑ MC-214783 – "Oceans generate with stone floors" – resolved as "Fixed"
↑ MC-159025 – "Drowned do not spawn in warm ocean biomes" – resolved as "Fixed"
↑ MCPE-125235 – Ocean floors are generated with stone floors

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Source: https://minecraft.fandom.com/wiki/Ocean