Ocean

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BiomeBannerOcean.png
Ocean beaches feature palm trees and initially the sleeping Angler.

The Ocean is a large body of Water found on the surface of each map at both left and right edges, comprising the eastern 500ft (250 blocks) and the western 500ft for large maps (needs verification) and 676ft (338 blocks) for medium maps. It extends as deep as the Cavern Layer with maximum depth reached at the edge of the map.

Oceans will commonly contain Water Chests with loot pertaining to water. They also contain unique enemies like Crabs and Sharks.

The Ocean Biome contains its own Tree type, Palm Trees (since 1.2.4), which can be harvested for Palm Wood.

Contents[edit | edit source]

Ocean
Characters Unique Treasures Unique Drops For Sale
Pink Jellyfish.png Pink Jellyfish
Crab.png Crab
Sea Snail.png Sea Snail
Squid.png Squid
Shark.png Shark
Orca.png Orca Console only.png Mobile only.png
Duke Fishron.png Duke Fishron
(Boss)

Trident.png Trident
Flipper.png Flipper
Breathing Reed.png Breathing Reed
Beach Ball.png Beach Ball
Water Walking Boots.png Water Walking
Boots

From Shark:

Shark Fin.png Shark Fin

From Shark or Orca:

Diving Helmet.png Diving Helmet
(rare)

From Squid:

Black Ink.png Black Ink

From Sea Snail:

Purple Mucus.png Purple Mucus

From Pink Jellyfish:

Jellyfish Necklace.png Jellyfish Necklace
Glowstick.png Glowstick

From Duke Fishron:

Duke Fishron Mask.png Duke Fishron
Mask
Duke Fishron Trophy.png Duke Fishron
Trophy
Fishron Wings.png Fishron Wings
Flairon.png Flairon
Razorblade Typhoon.png Razorblade
Typhoon
Tempest Staff.png Tempest Staff
Bubble Gun.png Bubble Gun
Tsunami.png Tsunami

From any enemy
in Hardmode:

Pirate Map.png Pirate Map
(rare)

From terrain/
vegetation:

Coral.png Coral
Seashell.png Seashell
Starfish.png Starfish
Palm Wood.png Palm Wood

From fishing:

Pink Jellyfish (bait).png Pink Jellyfish
(Bait)
Reaver Shark.png Reaver Shark
Red Snapper.png Red Snapper
Sawtooth Shark.png Sawtooth Shark
Shrimp.png Shrimp
Swordfish.png Swordfish
Trout.png Trout
Tuna.png Tuna

From Pirate (NPC):

Parrot Cracker.png Parrot Cracker

Notes[edit | edit source]

  • Ocean enemies will only detect and swim toward you if your character is in the water to at least one tile depth.
  • If the Ocean has enough "dry" sand surface Desert enemies may spawn there, but the area near the water does not start growing desert plants.
  • Sometimes, if you mine straight down to The Underworld from the ocean, the ocean will drain indefinitely and slowly flood it. This can sometimes happen on mobile by mining past the world edge using the tool joystick on the bottom-right of the screen, causing a seemingly infinite water source and not draining any ocean water. This can be circumvented by re-logging into your world, while this will also sometimes leave untouched water in the underworld and will almost always leave the ocean empty.
  • Hardmode Corruption/Crimson or Hallow can convert all the sand into Ebonsand/Crimsand or Pearlsand, effectively converting the Ocean into a Corrupted/Crimson or Hallow Desert biome.
  • Although the Ocean appears to reach the edge of the world, 3rd party map viewers will show that it actually extends for several blocks more. The Corruption/Crimson or Hallow can spread to the sand via these unseen extra blocks at the sea bed.
  • Sometimes, the sea bed can go lower down than level layer, causing a bit of the underground's background to pop up.
  • The Ocean biome's music is currently different in the Console only.png Console version and Mobile only.pngMobile version.
  • It is possible to sometimes find an abandoned camp site under the Ocean which contains a Campfire and usually some placed coins.

Tips[edit | edit source]

The Ocean floor.
  • Players exploring the ocean run the risk of drowning if not equipped with the proper accessories. In addition to plenty of healing potions, bring items and potions that aid breathing, such as the Breathing Reed and Gills Potion, a Magic Mirror for returning home quickly, and Flippers to aid swimming. The Grappling Hook or Ivy Whip may also be of some help in returning to the surface for breath.
  • Players may drain the ocean by tunneling down to the Underworld, where water evaporates.
  • Another way of draining the ocean is by making an air pocket, empty a bucket of lava in it and place a background object (chest, crystal shard etc.) in the lava. After that allow the water to flow in. The object will prevent obsidian from being generated, causing all the water to disappear.
  • When attempting to preserve the Ocean biome from being converted in Hardmode, simply digging a quarantine gap under the sea bed is insufficient because world data extends a little past the edge. The gap must thus be extended vertically along the edge right up to the sea bed, which needs to be plugged with incorruptible blocks to both prevent the water from draining as well as stop any spread of corruption/crimson or hallow.
  • There is a lot of free space and it's a good place to build an arena.

History[edit | edit source]

Biomes
 
Surface Layers Forest • Desert • Ocean • Snow • Jungle • Mushroom • The Corruption • The Crimson • The Hallow • Space
Underground Layers Underground • Cavern • Underground Snow • Pc only.png Underground Desert • Underground Jungle • Underground Mushroom • Underground Corruption • Underground Crimson • Underground Hallow • The Underworld
Special Biomes Meteorite • Pc only.png Granite Cave • Pc only.png Marble Cave • Spider Nest • Bee Hive • Dungeon • Lihzahrd Temple
Other Living Tree • Pc only.png Enchanted Sword Shrine • Floating Island • Underground Cabin • Chasm • Pyramid • Jungle Shrine • Pc only.png Living Mahogany Tree • Ruined House