Can you buy just the mugs for unlimited drinks and not the dining plans?

And

Yes, you can buy just the mugs they cost $ 18.99 I was just there 2 weeks ago

Yes 18.99 according to the sign

Yes

Yes I was just there a week ago and we always just buy the mug and not the meal plan.

Yes it's 14.99

Yes. The mugs activate for a longer period than any of our vacations ever were. Sometimes shared them with families when we left, or our friends who live there.