It looks too mate

The sky and ocean are awesome to look at. The position of the female's head and neck seems a bit off, but you did mention this is an earlier work of yours so perhaps you've already improved on anatomy. Also the coloring/shading on the sea monster makes it hard to tell it's body is curving, twirling? Not sure what word to use there, "snake like body doing snakey type movement" Haha.

Overall great work dude, with a few minor improvements I'd pay money for this and hang it on my wall for sure!