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Tucson Marriott University Park

880 East Second Street  Tucson  Arizona  85719  USA 

Check Rates & Availability

(proof of eligibility required at check-in)

About special rates and awards

To make reservations by phone, call 1-800-228-9290 in the USA and Canada (or any of our worldwide reservation telephone numbers).

Visitor's Guide: Tucson

Biosphere 2

Earth On A Small Scale
  • 32540 South Biosphere Road 
  • Oracle,  AZ  85623
  • Phone: +1 520 896 6200
  • Fax: +1 520 896 6162
  • Email:
  • Web:  
  • Neighborhood: Outside the city
  • Category: Guided Tours
  • Hours: Mo to Su from 09:00 AM to 04:00 PM


Visit the world's largest man made controllable environment and witness demonstration labs, a human habitat and Earth exhibits. Watch scientists working under a big glass structure figuring out how the earth works. Restaurants, gift shops and a hotel and conference center are available. Biosphere 2, this world-famous research facility is located north of Tucson right off Oracle Road (Highway 77 to 79) at milepost 96.5.

Identification of these resources is solely for the convenience of our guests. Neither Marriott International, Inc. nor any of its affiliates or franchisees endorses or is a sponsor of these resources.