Homestead, FloridaTropical Sun Divers I am a USCG licensed Captain (OUPV), and PDIC dive instructor and dive master and also work at the concession at Biscayne National Park as the Head Dive Master... I am a USCG licensed Captain (OUPV), and PDIC dive instructor and dive master and also work at the concession at Biscayne National Park as the Head Dive Master. I recently retired from the U. S. Army after 30 years. I have my own company that teaches scuba diving: Tropical Sun Divers.