Sensational Balboa Island home, with full private dock, directly on the Bay and Boardwalk near beautiful Ruby Beach. One of the Island's largest, tallest, and most unique Bayfront homes, this incredible home comes complete with a premium private boat dock with a seating platform and space for up to a 60 foot boat with reconfiguration, as well as a second smaller boat. The grandfathered living space of nearly 3,500 square feet plus garage, at an overall height no longer allowed, presents an owner with expansive 3rd floor roof deck with unmatched views of the Bay, Fashion Island, and more plus another deck on the 4th level. This home offers 5 total bedrooms plus an extra-large bonus room with kitchenette, bar, on the third floor, 3.5 baths, and a 3-car garage along with two living and dining areas, three fireplaces, and two full kitchens. The home can be utilized as either a wonderful large single family home or two separate units – a 2 bedroom and bath lower unit and a 3 bedroom, 2.5 bath upper unit, offering maximum flexibility. Spectacular views of the Bay abound from the large front patio, the living spaces on the first and second floors, and the huge roof deck. Enjoy summer sunsets over Harbor Island and prime Boat Parade and 4th of July fireworks views. 603 North Bayfront offers a one-in-a-lifetime opportunity to enjoy a remarkable Bayfront home as a spacious residence or prime investment property!