Here is a picture of the old cricket pitch (now used for Australian Rules Football) and the four old cottages on the south side of the hospital.
The four cottages are, from left to right: Cottage 5 (now Building K), Cottage 4 (now Building J), Cottage 3 (now Building I), and Cottage 2 (now part of Building H).
And here is a close up of Cottage 3, which Humber College has designated Building I and which they use for classrooms and faculty offices:
Lakeshore Psychiatric Hospital 