Florida doesn't really prohibit it though. The last sentence of the the relevant statute is "This section does not apply to the offering of a discount for the purpose of inducing payment by cash, check, or other means not involving the use of a credit card, if the discount is offered to all prospective customers."

http://www.leg.state.fl.us/statutes/index.cfm?App_mode=Displ...

As a Florida resident I can tell you that if there is any enforcement of this, I've never seen it. It's very common to see verbiage like 'must pay x% if using credit' or 'credit cards additional $x', especially in non-chain restaurants. Some gas stations just list two prices. I don't like it, but I am not going to carry cash around so it's just how it is; I was almost denied service at a restaurant once for pointing out that their credit surcharge was not legal.

My guess for tourism states is that people wouldn't want to find out their vacation is going to cost 5% more expensive after they land.

Tulsa, here we come!