Yes, the Sleep Like a Baby and Sleep Like a Rock plans both support sub-domain sites associated with your main website url (e.g. members.yoursite.com or internal.yoursite.com). Please review our Support Plans page to compare the hosting options provided with each. If you’d like support for multiple site urls, please contact us at sales@sandmansupportcom.skipdns.link. One of our solution counselors will contact you quickly to understand your need.