As someone noted early on, there are NO clubs and no lodging on Toronto's "Island!" (there is a nude beach, though...). The island is occupied by a large park, a smallish airport, and an area of surviving homes originally built as "cottages."

However, one club is well worth checking out: Hugh's Room, which tends to feature acoustic or quiet electric acts, often (but not always) blues-related.

There is also an information website for Toronto at
Toronto.com (use any search engine to find it).