Water biomes usually attract players only when they need to find an ocean monument to collect sponges, ink sacs, or when someone decides to build a large project underwater. Otherwise, these areas don’t get much attention, even though they occupy a huge portion of the Minecraft world. To make aquatic biomes more interesting, mod developers are constantly coming up with new content and mechanics. If you find the vanilla gameplay too plain and want more structures in Minecraft, check out our detailed review of one such mod.


The Lios Seafaring Dungeons modification adds several unique locations that generate exclusively in water biomes. These areas contain lots of loot, mob spawners, beautiful structures, and entirely new gameplay experiences. Once you enter one of these locations, you can easily spend hours exploring it since each one is quite massive. However, all the effort pays off with valuable items, blocks, and treasures found inside. In this article, we’ll explain in detail all the features of this mod and show what the structures look like from the inside. For better visibility, a Night Vision potion was used, since underwater visibility is poor by default and exploring without it can be inconvenient.


This mod focuses entirely on water biomes, and only there will the new developer-added structures spawn. They are massive in size, and exploring even one of them will take a lot of time, effort, and healing potions. Various mobs will constantly attack you since there are many spawners inside, but the loot you’ll find makes it worthwhile — there are tons of chests throughout. You can explore them solo or with friends on a server, and server owners are encouraged to install this mod to diversify all aquatic biomes in their worlds.


Advantages and features of the Lios Seafaring Dungeons mod:
· Adds 3 new types of structures, each unique in design, loot, and filled with hostile mobs;
· All locations spawn exclusively in water biomes, with the developer focusing only on these regions;
· Many mob spawners inside — you’ll need to either destroy or seal them off if you want to stop the mobs or preserve them for later use;
· Various mob types. You’ll encounter drowned, guardians, and other aquatic creatures. It’s highly recommended to bring plenty of healing potions and well-enchanted armor to survive;


· Loot. Each structure contains dozens of chests with loot. Some contain basic items, while others hide rare treasures. Exploring every dungeon takes a lot of time since each one covers a huge area;
· Quick search. If you’re in creative mode, you can use the command /locate structure seafaring to quickly teleport to any structure. There are three main types, but due to generation variations, up to five unique structures can appear in total;
· Balanced distribution. The mod’s developer ensured that structures generate evenly across all water biomes, both warm and cold oceans;
· Building materials. Players can also collect building blocks from these underwater dungeons if they need extra materials;
· Farm creation. Since there are many spawners, you can use them to build full-fledged mob farms and easily gather experience points from hostile mobs.


Overall, this mod is likely to become popular among players because it solves an important problem — lack of content in aquatic biomes. In the vanilla game, these regions are almost empty, which makes exploration less engaging. With this mod, you can easily expand the number of available underwater locations. Just look at the screenshots — even these show only about 10–20% of the full size of each structure. The mod is regularly updated, and the developer continues to add new content.



This is one of the few mods focused entirely on improving Minecraft’s water biomes. In addition to ocean monuments, you’ll now have new structures to explore — but be careful, they’re far more dangerous. For example, one dungeon may contain up to 20 spawners generating mobs nonstop, and if you don’t destroy them, fighting that many enemies will be extremely difficult. Try different combat strategies, bring plenty of potions, team up with others, and explore the new locations while enjoying a fresh and challenging gameplay experience.


| VERSION | DOWNLOADED DATE | VERSION TYPE | TYPE | SIZE | GAME VERSION | DOWNLOADS | |
|---|---|---|---|---|---|---|---|
| lios_seafaring_dungeons-1.18.2-1.21.6-v0.0.5 | 21.06.2025 | neoForge, fabric, forge | R | 2 MB | 1.21.8, 1.21.7, 1.21.6, 1.21.5, 1.21.4, 1.21.3, 1.21.2, 1.21.1, 1.21, 1.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2 | 4 k | Download |
| lios_seafaring_dungeons-1.18.2-1.21.4-v0.0.4 | 21.01.2025 | neoForge, fabric, forge | R | 2 MB | 1.21.4, 1.21.3, 1.21.2, 1.21.1, 1.21, 1.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2 | 3 k | Download |
| lios_seafaring_dungeons-1.18.2-1.21-v0.0.3 | 11.10.2024 | neoForge, fabric, forge | R | 2 MB | 1.21.1, 1.21, 1.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2 | 274 | Download |
| lios_seafaring_dungeons-1.18.2-1.21-v0.0.2 | 01.10.2024 | neoForge, fabric, forge | R | 2 MB | 1.21.1, 1.21, 1.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2 | 0 | Download |
| lios_seafaring_dungeons-1.18.2-1.21-v0.0.1 | 26.09.2024 | neoForge, fabric, forge | R | 2 MB | 1.21.1, 1.21, 1.20.6, 1.20.5, 1.20.4, 1.20.3, 1.20.2, 1.20.1, 1.20, 1.19.4, 1.19.3, 1.19.2, 1.19.1, 1.19, 1.18.2 | 2 | Download |
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