BetterBiomes:Oceans
The new biomes of the oceans. The sea level is at y 114. Most ocean biomes exist in a cold, a temperate and a tropical version, each with the fish of its climate. Biome IDs for /locate are on Zones Overview.
Abyssal Ocean
Cold, temperate, tropical · BetterBiomes_Abyss_…
The deepest core of the vanilla ocean trenches, dug even deeper and full of dead, glowing deep-sea plants and crystals.
Deepwater Hot Springs
Cold, temperate, tropical · BetterBiomes_Deepwater_Springs_…
Basalt hills on the sea floor, about 70 blocks across, with a vent crater, glowing cracks, bubbling seagrass and hydrothermal vents. In vanilla these vents only appear at the bottom of the trenches.
Sunken Ruins

Cold, temperate, tropical · BetterBiomes_Sunken_Ruins_…
Fields of sunken ruins in the sandy sea floor. Vanilla only places its underwater ruins on barren ground.
Coral Reef
Tropical · BetterBiomes_Coral_Reef_Tropical
Single reefs that rise from the open sea to just below the surface (about y 100–106), densely covered in coral blocks, coral bushes and coral models in all colors.
Lagoon
Tropical · BetterBiomes_Lagoon_Tropical · added after 1.4.0
Shallow turquoise water, only 4–7 blocks deep, over white sand with dense seagrass, shells and a few pink corals.
Drift Ice
Cold · BetterBiomes_Drift_Ice_Cold · added after 1.4.0
Ice floes and icebergs out on the open cold sea. Vanilla only places them along the coasts of Zone 3.
Sea Caves
Flooded caves that open up in the sea floor. They can appear anywhere in the oceans. See Caves.