In Florida, it is mandatory that anyone renting one or more units obtains a vacation rental license from the State and renews it yearly.
A Sales Associate (Realtor for short), even a Broker, still need a Vacation Rental license. It makes sure your landlord or the company you rent from, fulfills a series of requirements having an incidence on your safety, security, and on the quality of service you receive.
A licensed individual and his/her company is bound to follow regulations on noise, hours of service, number of guests, inspections of the property, …etc. Make sure your rental is not a scam; make sure you are renting from licensed individuals. Avoid undesired surprises. Don't break the law.