Apartments For Rent Near Keystone Colorado . 34 houses for rent in keystone, colorado. 100 dercum square unit 8340, keystone, co 80435. 539 S Keystone Ave, Indianapolis, IN 46203 Trulia from www.trulia.com Use our detailed filters to find the perfect place, then get in touch with the property manager. Find your next apartment in keystone co on zillow. 4 beds • 2 bath.