San Diego is known for its year-round sunny skies, pleasant temperatures, and beautiful beaches. WorldMark San Diego Mission Valley is right in the heart of it all. Balboa Park is less than 5 miles from the resort. It is the nation's largest urban park, coming in at 1,174 acres, and includes 8 gardens, 15 museums, 9 restaurants, a golf course, the San Diego Zoo and much, much more. Water lovers will also find endless options, such as cruising the bay, whale watching, snorkeling or scuba diving.