Buy online and save! Online ticket prices reflect a $2 discount off the adult, senior, & military ticket price.
It is not necessary to select a time for Biosphere 2 admission. Biosphere 2 is open daily from 9am-4pm.
The Biosphere 2 Experience is a 90 minute self-guided walking tour, where you explore Biosphere 2 using your own smartphone and headphones. The tour includes never before seen photos and videos that visualize the cutting edge research and 30-year history of this remarkable facility. The 1 mile long tour route leads you along the exterior of Biosphere 2, through the original Human Habitat and living quarters as well as into the Wilderness Biomes (B2 biomes are maintained as a tropical environment with high temperature and humidity levels).
Prior to arrival please download the Biosphere 2 App available on Google Play or the App Store. The app contains pre-visit material and all on-site tour content.
A full list of Frequently asked questions can be found on our website.
At this time coupons cannot be redeemed online. To use a coupon please purchase tickets onsite.
All sales are non-refundable; however, we will gladly exchange the date of your ticket.
If an error or discrepancy has occurred with your online purchase or donation, please contact us at 520-621-4800.