Community Information. Located in Whitby, Ontario, Stonehaven Manor is a reputable and well-established assisted living facility that prides itself on providing the highest level of care and support for its residents. In addition to offering essential living amenities, Stonehaven Manor goes above and beyond by organizing and hosting a variety of engaging and enriching activities right on-site for the enjoyment and wellbeing of its residents. We strive to create a vibrant and inclusive community where residents can socialize, learn, and thrive.