Check out the seals in La Jolla, too
You will be able to easily fill your three days with looking in the shops, seeing all the beautiful beaches and just roaming the historical halls and sundeck of Hotel Del. You are going to love it!
Nice cute Shops nearby in walking distance.
There are nearby "tide pools" if you are interested in oceanic creates like starfish and clams etc
The Hotel del Coronado building itself is a gem, there is also a lighthouse nearby and a warship that can be visited.
The haunted room
Well there's a little high end shopping district area and also mid range shopping options there
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