Very nice piece that really carries the listener along. Good work on production and keeping things evolving. The chord changes may have been a little busy for my tastes in places, but really, there is no place for a mermaid to "land", is there? The only other crit I can offer is the very ending. That midi 2 bar ending is often too short to fully satisfy and I wish that last chord/fade could have been held longer and not been quite so abrupt.
Overall, an immersive and entertaining listen.