Hi Will.
First let me give you a huge congratulations on the weight loss. As a young girl I struggled with my weight and went through the same questions about my first post weight loss trip to Walt Disney World.
Well, I've been back many, many times and have eaten at virtually every restaurant and I have always been able to find healthy options available and where they aren't perfectly to my liking, then I return to the first principal of weight control...portion control.
Salads are available at all the sit down restaurants and the buffets. Baked and grilled options of many dishes are also served.
I also pack light snacks to bring with me for those times between meals or when my family wants to stop at the bakery or ice cream shop.
HERE is a link to quick service dining locations that will accommodate Guest's food requirements.
I have never had a problem asking for substitutions or altering my meals.
You will have a fantastic time and you will be able to enjoy a lot of healthy options available.
Thank you for your question.
Again, congratulations on taking control of your health!
Your fellow healthy food friend,
Carrie