How can I block calendar dates on other sites but leave them open on Houfy.

Keep your Houfy calendar synced with your VRBO bookings by importing your VRBO iCal URL. This prevents double bookings and keeps your availability up-to-date across both platforms.

Go to Edit listing > Calendar Click on ICAL to edit it Change color of the ICAL Click save to save the changes.

To block the dates on Houfy please follow below steps