Positive: Relatively easy access by bus, well equipped apartment with a nice view of the harbor, and a responsive host.
Access to washing machines and dryers was a plus. All in all a nice apartment!
Negative: No option to check in early. No option to check out later than 10:00.
Hairdryer, iron and water kettle for some reason had EU plugs, but apartment only had 1 adapter (Malta has the crazy British type outlets). For the equipment, as well as for EU visitors, some more adapters would have been nice. Heavy traffic = somewhat noisy.