Duffy of San Diego is the authorized factory representative for Duffy Boats for all of San Diego County. Duffy of San Diego party boat rental is the perfect way to enjoy the day or an afternoon with your friends and family, silently cruising calm waters of Mission Bay. Duffy of San Diego is by far the best and newest boat rental and boat charter fleet in all of San Diego. All of our 2014 and 2015 Duffy Boats can accommodate up to 11-12 adults comfortably. Be Your Own Captain by renting one of our Duffy electric boats. No boating license required. Advance reservations are highly recommended. Last minute and walk-up boat rentals are welcome and are subject to availability.