Hi Kerry,
We don't go into the bars in Orlando but do buy drinks from the supermarket. I am sure you can buy Malabu in the supermarket and I think it's either about the same price as it is in the UK or just slightly cheaper. You can definately buy pepsi max in the supermarket. Not sure about Tia Maria but most large supermarkets do have a large selection of drinks. I would think if you can buy them in the supermarket you can them in a bar/restaurant. There maybe somebody more knowledgeable on here than me though.