LivingSocial is hosting a deal on annual membership to
2 people/same household $59
2 adult/all kids/same household $79
Try using the discount code SUPER20 during the checkout process. The code gives a $20 discount on any LivingSocial purchase, and expires 9/12. The discount code box may not appear until the last part of check out during the "confirm purchase" page.
Note: Parking at the Aquarium is usually $8 per visit. Annual parking passes at these membership levels are not available.