Congrats!
We went there for our honeymoon as well! It was not my first time (I went a few times as a kid), however my wife, whom also shares this account, had never been - so it was hers.
It is truly magical!
Here are some tips:
- Ask for buttons when checking in or at guest services. Wear them EVERYWHERE!
- Buy Bride and Groom ears, they can be somewhat hard to find depending on time of year and busyness (more specifically the Groom ears), but you will find some if you look. Must have item, imo.
- Make sure when you make ADR's (I see you already have), that you notify them on the phone that it is your honeymoon. Certain places do certain things for special occasions.
- Visit Mickey in the theatre right past the entrance into main street in the Magic Kingdom to really start your day off with something magical (I won't spoil the surprise, but there is something new about this Mickey that is truly amazing).
- Port Orleans has a ferry boat to Downtown Disney, utilize this at night time for a romantic ride into Downtown!
- Also at Port Orleans, on certain nights there is a singer in the bar with a dancing piano. Hard to describe until you see it, but definitely catch it for a fun night.
- On a night when you aren't quite ready to go to sleep yet, or looking for a quiet couple time, take a stroll along the sidewalk to the Port Orleans French Quarter resort (the sister resort to the riverside), it is maybe a mile, and a pretty clam walk at night along the river. Hard to beat!
- When visiting Epcot, stay until close to closing and take the back exit (not the main entrance you come into) and take a ferry over to the Boardwalk resort. It is a very underrated and worthy stroll with several things to do.
- Hollywood studios is gorgeous at night time, if it happens to have any extra magic hours at night while you are there - utilize them! Truly underrated park after dark, but it is a romantic feel, and being on the smaller side helps that feeling too.
Just some other stuff, Be Our Guest for dinner (assuming that is when you are going) is an AMAZING experience! Lot of very good desserts here, but I would suggest the famous, delectable Grey Stuff
Really had a great time here when we went. Happy to see you are going over to the GF for a meal, it is a beautiful resort and certainly romantic to walk around.
We have been several times and thoroughly have become Disney nerds, there is always something new to do! Have fun, hope you love it as much as we do!!! Feel free to ask us any questions if you would like, we can happily answer them!
This sounds like the perfect end to a day at Disney! I will definitely look into it 
Dis Friend 
-- 
Us to Disney 
coming your way..
