Tested On:1.16 (Nether Update)
Minecraft Edition:Java
Biomes:Beach, Taiga, Ocean.
Natural Structures:Caves, Ravine.
Generated Structures:Shipwreck, Ocean Monument, Ocean Ruin(s), Ruined Portal.
*the number of biomes, natural structures, and generated structures will increase as you explore the world (obviously).
Descriptions, Description:

This seed has Shipwreck, Underwater Ruined Portal, Ocean Monument, and Ocean Ruins. All of them are underwater, because of this, you need to swim to reach them. Try to use a boat. There are also 2 Coral Reefs. The details about this seed are written below.

I will continue to update this seed if a new version of Minecraft coming out. So stay tuned if you are interested in this seed.

Update: I’ve updated this seed from 1.15 to 1.16. I also have added a structure map.

Coordinates, Coordinates:

World spawn point XYZ: 190.464 64.00000 -114.776
*may not accurate

Shipwreck XYZ: 68.487 42.00000 -215.438

Underwater Ruined Portal XYZ: 260.283 50.46904 -491.814

Ocean Ruins XYZ: -247.512 40.66107 -295.076

Ocean Monument XYZ: -239.891 40.00000 -141.286

Coral Reef #1 XYZ: 390.808 48.00000 -192.677

Coral Reef #2 XYZ: 240.300 57.00000 -554.302

Important Notes., Important Notes:

Be careful with Magma Blocks that placed underwater. They can suck you down.

All the generated structures’ locations are drawn in the structure map below.

Screenshots, Screenshots:
Structure Map that shows the location of Generated Structures

The Structure Map. It shows the location of each Generated Structures.

Coral Reefs Minecraft

The Coral Reefs #1 (located in the northeast from the starting point).

Ocean Monument Minecraft

The Ocean Monument (located in the west from the starting point).

Ocean Ruins

The Ocean Ruins (located in the north of the Ocean Monument).

Help, Having a Problem With The Seed? Go see Help Page
Care to Share?