Official Check in Page. Carlos'n Charlie's makes its Sin City debut in the Flamingo Las Vegas. Great for all ages, this establishment offers an experience you will remember for a life time. With constant entertainment such as dancing on chairs, singing, skits and more our dedicated staff will make sure each and every customer leaves happy and full! So come to enjoy the flair bartenders, the silly waiters, or the great food. We just ask that you PLEASE do not feed our waiters.