The instant self-checkin wentwithoutany problems, eventhough we only booked ourstay at 6pm the same day - we were able toget into theapartment within 90 minutes!
The apartment wasperfectly cleanand nicely designed.
The only "flaw" is the location. The apartment is located in the middle of ortigia - which is a plus obviously - but also right in the middle ofortigia's market. It's pretty loud already early in the mornings and if you open your windows to at market-times it might smell fishy.
If you are looking for an apartment to explore ortigia this won't be much of a problem though!