We had a large group and the house was plenty big enough! However, they regulate the temperature and you can not turn the air lower than 74 degrees. We found it to be quite warm in the house, and needed the ceiling fans on all the time.
There is a crib in the garage, but we weren't sure how to get it in the house, so we ended up buying a pack n play at the local Wal-Mart. We later found a pack n play in the closet of one of the rooms upstairs. There is also a high chair and a bouncy seat in the garage. The tray for the highchair did not work and the bouncy seat did not have the correct straps to secure the baby safely.
We did enjoy using the pool a couple of times - it was clean and refreshing.
The address says Disney parks are 6 miles away, and I didn't check it, but it takes at least 30 minutes to get to any of the parks from this house, and a little longer to get to Universal Studios.
All in all I would recommend the house for any big group, but plan to have all your baby stuff with you when you go