College Boat Donation

I am a current college student who recently received his 6 pack license and want to make a career out of boating after i finish school. My ultimate goal is to one day own my own boat dealership. I was wondering if anyone knew any good ways to get my foot in the door, internships of any kind or anything. I am very ambitious this is my passion in life and I take it very seriously.

I love boats and being on the water,and would love a career in water transportation(cruises,whale watches,tour boats etc.) In order to be a captain or pilot on a ship or boat,would i have to go to a maritime college or the navy or coast guard?