We took the tour about 2/3 of the way around and our tour guide was fantastic. We got off for awhile to explore Coronado and had no trouble catching the next trolley, with an equally informative driver. We stopped again and explored Balboa park and caught another trolley, then got off once more at Little Italy for a late lunch before catching the final trolley of the day back. The total tour would be about 2 hours round trip without stops but we used the hop off part to our advantage. On the trolley we saw so many things to do during our trip and learned a lot.
It is the perfect way to spend your first day in San Diego and learn all about the town, to discover what else you may enjoy checking out.