Hi Amy! This can get very confusing when you are looking for simple spa type treatments while at Walt Disney World. Many guests don't realize that there are often facilities right in their own resort that can provide the services they are needing such as manicures and pedicures.
There are indeed three full service spas at Walt Disney World: Grand Floridian, Saratoga Springs, and Mandara at the Swan and Dolphin resorts. There are also massage facilities at many other resorts including Animal Kingdom Lodge, Boardwalk, Contemporary, Coronado Springs, Wilderness Lodge, and Yacht and Beach Club. A few of these locations will do more treatments such as facials and it is best to call directly to see what they offer.
Most of the hair salons in the resorts will also provide excellent manicures and pedicures for the guests. I have been using the Yacht and Beach salon, Periwigs, for years and love Evangeline if you happen to stop in that location. The Contemporary, Grand Floridian, and Coronado Springs all have salons. You can read about the different resort amenities at the Disney website,
www.disneyworld.com. If you still have questions about what is offered I suggest you call them directly so the information is up to date!