If you want to stay in an authentic Venetian house in the heart of Chania, I can recommend Fanis's place. It is a charming house with a welcoming host. But, being an old building, it is slightly damp, and there are mosquitoes in the beautiful inner courtyard, though there is a mosquito net over the bed. The kitchenette is adequate for drinks and snacks, but not for cooking meals. But staying in a place with stone arches and antique decorations makes it worth these little inconveniences. The house is close to the sea and within walking distance of the entire old city of Chania.