How do I subscribe to my property calendar on my Mac?

First check How To Get The Public URL For The Property Calendar. 

To sync your property calendar with your Mac Calendar:

1. Open the Calendar app on your Mac and click File > New Calendar Subscription
   
   
   
   
2. Enter the property iCal link on the Calendar URL field and click Subscribe
   
   
   
   
3. Review the details and click OK. You may want to set the sync frequency based on your preference.
   
   
   
   
4. You will now see the events in your Mac Calendar. If you click the event, you will see that only the basic information is provided on the public iCal.