Luxury Car Rentals in Punta Cana/Bavaro area

Anyone have any advice on rental agencies that provide luxury rentals similar to exotic-rentacar in Santiago, only in this region? I noticed a billboard outside the Hard Rock Hotel last time I drove by there offering luxury rentals but forgot to get the contact info from it. Any help would be appreciated, thank you.

Thanks jrjrth, I have looked at their website already. I guess I could have been more specific when asking, I am looking for Lexus, Mercedes, Hummer, BMW etc... If anyone else has any suggestions I would greatly appreciate it.