Key Takeaways
- Roblox Abyss features Fish Ruins that players can explore for valuable loot and rewards.
- There are 7 Fish Ruins located in Ocean, Ancient Sands, and Spirit Roots regions.
- Each ruin requires a specific key from NPC quests, and keys only work once in their designated biome.
- Opening Fish Ruins yields resources like cash, Star Shards, and Oxygen Pods, plus significant XP gains.
- Completing all ruins grants additional rewards, including bonus items from the Crab NPC.
Abyss is a popular Roblox experience where deep-sea exploration and fishing become a thrilling survival journey. You will dive into vast ocean depths, catch rare fish, and complete quests while managing oxygen and dodging underwater dangers.
While exploring the depths of Roblox Abyss, you will run into locked underwater structures called Fish Ruins. These hidden spots contain valuable loot, but you need specific keys to open them. So, here’s a complete guide on Fish Ruins locations in Roblox Abyss and how to get its keys.
All Fish Ruin Locations In Roblox Abyss

There are 7 Fish Ruins spread across Ocean, Ancient Sands, and Spirit Roots. You need to explore carefully, as some ruins sit on elevated rock formations or deep underwater.
| Region | Exact Location |
|---|---|
| Ocean | On top of a rock behind Virelia NPC |
| Ocean | Midpoint between Scientist and Lost Captain, deeper than 200m |
| Ancient Sands | On a rock tower behind Suspicious Fisher |
| Ancient Sands | On a rock structure beside Grumpy Hank’s tower |
| Spirit Roots | In front of Isaac NPC, above the safety dome |
| Spirit Roots | Inside tunnel below Isaac, under treasure chest area |
| Spirit Roots | Inside cave east of Golem NPC, near King Cat entrance |
You will need proper oxygen and tube upgrades for deeper ruins, especially in Ocean and Spirit Roots.
How To Get All Fish Ruins Keys In Roblox Abyss
Each Fish Ruin requires a specific key tied to a certain NPC questline. You cannot use one key in a different biome, and every key works only once. Here are the NPC quest requirements:
| NPC | Quest Requirement |
|---|---|
| Kraken | Complete Quest #5 |
| Mr. Black | Complete Quest #8 |
| Marcus | Complete Quest #5 |
| Grumpy Hank | Complete Quest #4 |
| Victor | Complete Quest #4 and #7 |
| Golem | Complete Quest #2 |
You should finish these quests before hunting for ruins. After you claim the key reward, you can travel back to the correct biome and unlock the matching ruin.
Fish Ruins Rewards In Roblox Abyss
Inside each ruin, you can open a locked chest containing valuable resources. Rewards include cash, Star Shards, Oxygen Pods, and multiple potions. Opening ruins also grants you large amounts of XP, which helps you level up faster.
If you complete all 7 ruins and return to the Crab NPC after finishing his scroll quest, you will earn bonus rewards including Star Shards, Oxygen Pods, potions, and the Crab Claw artifact.
Frequently Asked Questions (FAQs)
There are currently 7 Fish Ruins across three main regions.
No, each key works only for its specific ruin and biome.
Yes, they grant strong XP gains and valuable resource rewards.
No, each ruin can be opened only once per key.
Spirit Roots contains three Fish Ruins, the highest among regions.
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