Splash into San Diego Bay with an insightful tour across land and water. most unique sightseeing tour. Take a seat aboard a hybrid bus and boat and come across the most interesting sights in the city. Learn about San Diego's main landmarks from your guide. Wind through picturesque San Diego streets before splashing into the water for a cruise of San Diego Bay. Pass the Embarcadero and San Diego International Airport. Hear about the importance of the military in San Diego and other local icons as you travel along the scenic coast. Once you splash into the Big Bay, glide by Navy ships, tugboats, and fishing vessels throughout the harbor. Pass by Shelter Island and listen to stories of early sailors.