Like the title!
Generally, spending only a day on something isn't long enough, but I actually like this! Everything here sounds quite nice, most notably the piano and percussion. The strings are sometimes a little too cluttered, but I don't mind much. The song itself is very rhythm-based, which pretty much sells the fact that it's about the ocean. Speaking of that, if this song is about the deepest ocean, I would definitely fill the emptier parts (where the legato strings aren't playing) of the song with a low, sweeping string section or classical-sounding pad. Otherwise, it will sound like it's not as deep and vast like a sea should be.
I like the choirs here, maybe let them stand out a little bit more. Dynamics could use a little variation as well, but otherwise everything sounds pretty nice! Keep up the good work!
-Lamp