Hi,
We had a jacuzzi suite two years ago, they're really nice. Ours was a wee bit different from the couple we met over there. Ours had the main door into a hallway,which was turn left into a separate bedroom, straight ahead into a bathroom, turn right into the main sitting room which converted into a big double room. There was plenty of room in it even with the bed down. There was a reasonable size balcony off the sitting room which overlooked the spa gardens. There are other jacuzzi suites up near the reception areas which where similar but slightly different layout.
Yes there were fridges in the rooms. You won't need to buy milk, you can get milk for the kids from all the restaurants and bars. The staff will quite happily fill up your bottle for you at the bars and you can do it yourself in restaurants.
Hope this helps.
C xxx