No more. Now, you and your dog can stay on the Strip in some of the fanciest casino hotels in Las Vegas. Pet-friendly hotel casinos in Las Vegas include Caesars Palace, Paris, Planet Hollywood, Harrahs, Flamingo, Bally's, Rio and The Quad. These are all run by Caesars and are participants in their "PetStay" Casino program. Two dogs up to 50 pounds each are allowed under this program per room. No other types of pets are allowed.