See the Houston Aquarium on the cheap! Take advantage of half-price Houston Aquarium tickets with buy-one-get-one free All-Day Adventure Pass coupon available online. The pass includes unlimited access to Shark Voyage, Aquarium Adventure Exhibit, Ferris Wheel, Carousel and Lighthouse Dive.

The coupon is valid for Tuesdays in July. The Adventure Pass retails for $15.99, so the deal makes it about $8 per person. Print the coupon here to get this deal. Coupon valid for up to four people. A new coupon will be released for August Tuesdays.

Families can enjoy many of the Aquarium’s activities this summer including Shark Weekend (July 28-29) and free Salsa dance lessons each Friday evening from 7 pm – 11 pm. Find the Houston Aquarium downtown at 410 Bagby at Memorial.