
Modrinth · Minecraft mod
Sunken Spires
Remnants of an advanced prismarine civilization are scattered throughout the ocean.
Quick answer
Which Sunken Spires release should I use?
Sunken Spires 1.0+mod targets 1.20, 1.20.1, 1.20.2 with Fabric, Forge, NeoForge. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is Sunken Spires required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Sunken Spires 1.0+mod need?
1.0+mod. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Sunken Spires without breaking your instance.
Built for Sunken Spires 1.0+mod. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.0+mod. It targets 1.20, 1.20.1, 1.20.2 with Fabric, Forge, NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.0+mod. It opens that exact file at the source.
About this project
What does Sunken Spires add?

Ruins from a futuristic and mysteriously absent civilization now litter the oceans.
Sunken Spires adds 11 unique structures, with several variants. Explore ruins, find fallen cities, strange formations a new trial chamber. Some structures have mini-bosses that drop unique loot. Many structures also offer archaeology opportunities.
Structures
- Colosseum
- Features several chests and a mini-boss that drops a unique helmet
- Conduit Ruins
- A normal conduit setup with several concentric prismarine rings around it
- Two variants: 2 ring and 3 ring
- Floating Spikes
- A circle of large prismarine rings
- Large Fossil
- A large dark prismarine rib cage featuring a fully activated conduit
- Ocean Temple
- Similar to the desert temple, the ocean temple has 4 chests
- Inspired by art from Minecraft: Dungeons
- Prismarine Forge
- Features 2 chests and an Elder Guardian
- Also has a piece of ancient debris suspended above the cooled forge
- Prismarine Trial Chamber
- 15 Trial Spawners, a few chests, and many Trial Vaults.
- Features a mini-boss that has a chance to drop a helmet with buffed attributes
- 11 rooms
- Unique loot tables
- Small Fossil
- Small archaeology site
- 2 variants
- Spires
- Three strange spires reaching towards the sky
- Archaeology opportunities and a chest
- Sunken City
- 5 houses and a town center
- Several chests
- Inspired by art from Minecraft: Dungeons
- Trident Shrine
- A shrine surrounded by spikes
- Contains a trident


How do I find a structure?
- Use
/locate structure joshie:sunken_spires/<structure name>
Can I use this on my server?
- The structure uses vanilla blocks, so server owners can install the datapack and vanilla clients will be able to join fine.
Can I use this in my modpack/video/world/server?
- You are more than welcome to use Sunken Spires in any of these contexts.
Compatibility
Compatible with several major worldgen mods and datapacks:
- Terralith
- Biomes o Plenty
- Oh The Biomes You'll Go
- Regions Unexplored
- Ecotones
- Wilder Wild
- Traverse
- William Wythers' Overhauled Overworld
- Tectonic
Project description from Modrinth.
Pick your setup
Sunken Spires by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.9
5 loader builds1.21.8
5 loader builds1.21.7
5 loader builds1.21.6
5 loader builds1.21.5
5 loader builds1.21.4
5 loader builds1.21.3
5 loader builds1.21.2
5 loader builds1.21.1
5 loader builds1.21
5 loader builds1.20.4
5 loader buildsShowing the newest 12 of 16 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Sunken Spires versions and loaders
1.0+mod
sunken-spires-1.0.jar
24 Oct 2025
1.0
sunken_spires_1.20.zip
24 Oct 2025
1.0+mod
sunken-spires-1.0.jar
19 Oct 2025
1.0
Sunken_Spires_1.21.zip
19 Oct 2025
Looking for an older file? The official Modrinth project page is in Resources.