This is one of those rare occasions where you really need that 6th star. Mary Jane's place is magical, peaceful and awe inspiring. I grew up with an amazing treehouse in my backyard and this brought me way back in time. I swear I could feel my blood pressure lower the moment we sat down outside on the treehouse patio. This is a once in a lifetime kinda place (though we sure hope to visit again!).
Recommendations I would heed (Mary Jane suggests all of these)
1. Definitely arrive before dark if you can. The "hike" in only takes about 5 minutes, but with luggage, etc it felt like 10 minutes. It is a narrow trail and I am really happy we arrived before nightfall.
2. Grab some groceries before you arrive. Everything you need is in the treehouse, but once you are in you won't want to leave! We did end up spending one morning/afternoon in Santa Cruz, but we honestly kind of felt we were missing out on treehouse time! It's just so wonderful there.
Mary Jane and her son, Augustine were a delight to deal with. I can't say enough good things.
Enjoy every moment of your trip -- I know we did!
Thanks for having us, Mary Jane!