A family was preparing to leave the Pelican Bay Marina when their 1970's Chevy van caught on fire, reported by Saratoga Springs Police.
Two adults and three children under the age of ten are in critical condition from burn injuries.
The car was hooked up to a boat when it caught fire.
Saratoga Springs Police said an investigation will look into the cause of the incident.
This story will be updated as more information is made available.