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The Ocean is a large body of Water found on the surface of each map, at its far left and right edges, comprising the eastern 500ft (250 blocks) and the western 500ft of the map (at least on Large maps; it is closer to 150 on Small). It extends as deep as the Cavern Layer, with its maximum depth reached at the very edges of the map.

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


[edit] Contents

Enemies Unique treasures Unique drops For Sale
Pink Jellyfish.png Pink Jellyfish
Crab.png Crab
Shark.png Shark
Sea Snail.png Sea Snail Pc only.png
Squid.png Squid Pc only.png
Orca.png Orca Console only.png Mobile-phone-icon.png

Trident.png Trident
Flipper.png Flipper
Pirate Map.png Pirate Map
Beach Ball.png Beach Ball
Water Walking Boots.png Water Walking Boots

From Sharks:

Shark Fin.png Shark Fin
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 vegetation:

Coral.png Coral

From the Pirate:

Parrot Cracker.png Parrot Cracker

[edit] Farming

Farming the Ocean for fun and profit (dawn, notice light in the air pocket).
Goblin Army spawned underwater.

If you have the Vilethorn or Nettle Burst, you can easily farm the Ocean for Pink Jellyfish (which drop large amounts of coins) and Sharks (for Sharkfin, or to find the Diving Helmet). To do this, take a supply of about 50 Blocks with you (any type except Sand) and sink to the bottom. Quickly seal yourself into a cage of blocks with at least two tiles of head room height above you. Bail out the room you've created with a Bucket (or several). You have now created an air pocket where you can breathe, and you'll even have natural light during the day, as the sky will show through your air pocket. Alternately, once you have sealed yourself in on the sea floor with your choice of block, dig into the sand below, thus causing the water to drain into the newly made hole. Then (if you wish), once you have a decent air pocket, you can place blocks over the water that drained into the sand blocks you just made. That way, you don't have to constantly jump.

When you're ready to collect all the drops, you will probably need to extend your cage towards them. Place blocks outside your cage to thicken the left or right wall (whichever direction you need to travel) and then mine away the inner blocks. Repeat until you reach your destination.

Ocean enemies seem to require three block spaces of height in order to enter an area, so it may be possible to use the cage method with other weapons that don't travel through walls, by leaving a space for another ranged weapon to penetrate.

Better yet, make a grinder. Put Wood Platforms in the top tile of water, then put a thin layer of lava over that (at least six tiles wide, but narrow enough you can grab all the drops automatically). Then build a cup of water to stand in, not connected to the ocean, directly over the center of the lava. Wield water candle and drink Battle Potions if desired, and leave the game running unpaused while you do something else.

[edit] Other strategies

Unique items attainable in the Ocean include the Shark Fin and Diving Helmet (dropped by Sharks), and Coral (grows on the Ocean floor). There are also chests, though they rarely contain items that aren't also available elsewhere.

  • If players without proper accessories try to swim to the side of the map, there is a serious risk of drowning. In addition to plenty of healing potions, it is advisable to bring items and potions that aid in 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 attempt to drain the ocean by tunneling down to the Underworld, where water evaporates. The Ocean is in fact drainable this way, and this method will allow the player to go back to the Ocean floor and easily pick up all the Coral without worry of drowning. However, this method is completely pointless, since you will waste hours digging a hellevator which you'll never use again. See below for a better technique.
  • Another way of draining the ocean is by making an air pocket, empty a bucket of lava in it and place an 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.
  • For looting Ocean chests, generate a small or medium-sized map. Then, using the Shadow armor, Hermes Boots, Anklet of the Wind and other speed boost items, run from one side of the map to the other. This way you can easily obtain the Breathing Reed, Trident, Flipper, Water Walking Boots And Beach Ball.

[edit] Notes

2014-04-21 00002.png An ocean that generated unusually close to the cavern layer, with a submerged underground cabin.

  • Ocean enemies will only detect you and swim toward you if your character is in the water to at least one tile depth.
  • Coral requires water to grow in.
  • 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.
  • In hardmode, it is possible for Light Mummies to spawn in the ocean.
  • Hardmode Corruption can convert all the sand into Ebonsand, effectively converting the ocean into a corrupted desert biome. It seems like this means only enemies from the Corruption, such as Corruptor and Dark Mummy, can spawn. Sharks no longer spawn, so it might be necessary to protect the ocean from the Corruption.
Anomaly: There have been times when the Ocean has been created very small on iOS.
Anomaly: Sometimes, the ocean extends to the jungle or dungeon, this usually happens on console.
Anomaly: If a jungle biome extends into the ocean, Arapaima will spawn instead of Shark. All other ocean creatures will spawn normally.
Anomaly: When you are in an air pocket and you place blocks other than sand on the ocean floor, other monsters, such as Zombies and Goblin Scouts, may spawn there.
Anomaly: The ocean can spawn completely flat. Very rarely an underground cabin will spawn in a flat ocean.
Anomaly: The water will remain blue during Blood Moon.
Bug : Chests will always spawn in the ocean but will often generate past the edge of the map making them inaccessible.
Bug : Sometimes, one part of the ocean may not be generated, causing a hole to be made that extends from the top to the bottom of the map in that spot.
Bug : Sometimes, a very tall wall will be generated just before the ocean, causing it to generate in the sky.
Bug : Sometimes, a number of Demon Altars can spawn in the ocean.
Bug : Occasionally, a world will generate without any water in one of the two oceans. Instead, the area will act as an underground cavern, spawning red and yellow slimes, and even underground cabins. (On iOS version)

[edit] History

  • 1.2: Now have own specific music. Golden Chests mostly replaced with Water Chests.
  • 1.1: Now have own specific background.
  • 1.0.5:
    • Ocean generation layout has been improved and it become slightly larger.
    • Coral now grows in the ocean.
    • New enemies: Crab, Pink Jellyfish, Shark
  • Pre-Release: Introduced.
Game mechanics
Attack Speed • Breath meter • Buffs • By hand • Consumable • Crafting station • Critical hit • Damage • Data IDs • Day/Night • Death • Debuffs • Defense • Difficulty • Environment • Event • Fall Damage • Game controls • Ghost • Health • Inventory • Knockback • Lighting mode • Mana • Map Size • Minimap • Minions • Modifier • Moon • Music • NPC drops • NPC Spawning • Placement • Player stats • Rarity • Spawn • Storage • Use time • Value • Velocity
Surface Layers Forests • Deserts • Ocean • Snow • Jungle • Mushroom Biome • The Corruption • The Crimson • The Hallow • Space
Underground Layers Underground • Cavern • Underground Snow • Underground Jungle • Underground Mushroom • Underground Corruption • Underground Crimson • Underground Hallow • The Underworld
Special Biomes Meteorite • Giant Tree • Floating Island • Spider Nest • Bee Hive • Dungeon • Lihzahrd Temple
Treasure Rooms Underground Cabin • Jungle Shrine • Ruined House • Pyramid