You are so lucky! You have so much space to work with! I think your yarden looks great so far
If I had that much space to work with, I'd really consider keeping a nice and neat vegetable garden. The pond idea is great, I've always wanted to have my own pond
Are you planning to add a couple of koi fish in there?
My future in laws have their own pond as well, it has some fish and many frogs visit it often (I think they actually live there). Here are some pictures of it: