Mermaid Castle Tycoon is past its peak but still live — 1 players online now versus an all-time high of 14. Track Mermaid Castle Tycoon's live player count, all-time peak, visits, ratings and full history on RoWatcher — updated continuously.
🔱Welcome to Mermaid Castle Tycoon! Build your underwater castle, become a mer-person, create your own Atlantis, and defeat powerful enemies in this thrilling tycoon🔱 🏆 Premium Roblox users get 5,000 bonus gold upon joining 🏆 🛡️ Group Members get 5,000 bonus gold 🛡️ 💠 If you find any bugs or glitches, please use the in-game reporting system 💠
1 players are in Mermaid Castle Tycoon right now. Its all-time peak is 14 concurrent players (June 2026).
Mermaid Castle Tycoon is past its peak but still live — 1 players online now versus an all-time high of 14.
Mermaid Castle Tycoon's highest recorded concurrent player count is 14, reached in June 2026.
Mermaid Castle Tycoon has 8.6M total visits on Roblox.
Mermaid Castle Tycoon was created by Primorra Games.
Mermaid Castle Tycoon was published on Roblox in July 2021.