There are many possible one tank-trips from San Diego where you can take in some of the most popular sights to see around southern California. The San Diego Zoo, Balboa Park, the Cabrillo Lighthouse, the Birch Aquarium at the Scripps Institution of Oceanography and the Cleveland National Forest just to name a few of the closest attractions. You can even go see seals sunning themselves on the rocks near the Scripps Institute in La Jolla. Try some of these one-day, one-tank trip suggestions for an even more exciting visit around this area.