Sea kayak trips: For messing about on the water under your own steam join one of the many kayak tours that head out from La Jolla every day into the marine ecological reserve. You need to be tolerably fit to keep up and you will get wet but it's worth a little exertion to paddle with pelicans flying overhead and rays swimming beneath out to the seal and sea lion colonies. La Jolla has atacted the rich and famous for generations and you' ll get the lowdown from the well informed tour guides about who has lived in the grand colonial style mansions that dot the coastline as well as picking up a fair bit of local history and geology. The highlight of the trip is venturing into the La Jolla caves strong waves permitting. Prices vary subtantially so it's worth shopping around La Jolla Sea Caves Kayak Tour is a good option.