If you were looking for cottages like Hobbit Cottage, how about trying these:
Holiday cottages in Mount Zion
A uniquely different cottage, built into the Blue Elvin rock and retaining much of its original charm and character situated just off The Wharf. Nestled in the heart of the harbour front, it is ideal for enjoying all the activities on offer. There is a communal courtyard with sea glimpses which has a garden table and four chairs. St Ives town with its wealth of galleries, restaurants, pubs and shops is within walking distance.