The game is amazing in all ways but I'd love to be informed on a port for Mac as I've only been able to play Stardew at a friend's house so inform us on the future of the game on other platforms please!
ConcernedApe has said that if he gets enough requests for a Mac port he would do one. I think at this point he has gotten plenty of requests for it so now he just has to have the time to do it.
Check out the Wineskin wrapper for Mac thread. You can also cough up about $100+ for a copy of Windows to install along side OS X or in a virtual machine. Not the best solutions, but definitely check out the wineskin thread if you haven't yet.