SeaWorld® San Diego. Explore the fascinating world beneath the waves as you spend the day with this admission to SeaWorld San Diego. Go nose-to-nose with a joyful dolphin, belly up with a gentle beluga whale or waddle along near the sociable penguins. It’s a park that’s both fun and educational, making every encounter a new journey of discovery. Choose to upgrade your ticket with access to Aquatica San Diego, SeaWorld’s brand new waterpark. Book with us and Save 16%! SeaWorld San Diego.