Beautiful, mostly underwater sim. Has an awesome sea floor texture (the lack of which is usually a pet peeve of mine in other underwater areas). Many fun things to see and do as a mer, including…

Ruins with a scavenger hunt game

Giant sphere theater to watch some trippy animated textures and fish

An underwater castle that will crumble if you’re not too careful…

Make haste here, finned-folk!

• SLURL: Sea of Tranquility
• Flickr Photoset (more photos here).