We stayed in the Christopher apartments in august.
We were very pleased with what we found. Although ther was only two of us, there was actually three beds in and lots of storage space.
The room was kept clean and there was plenty of hot water for showers. The owner was an english woman named Helen who could give you plenty of information if you wanted. there was a safe and air conditioning which we paid 85euros for 2 weeks.
Parga its self is a lovley place with plenty of character and lots of tavernas and bars
There are two town beaches which do get quite busy in August.
We chose to walk to Voltos beach which was a 20min stroll, the beach is very large and we didn't find it to over crowded. It cost 7euros for 2 sunbeds and a parasol. There are plenty of beach bars with reasonable priced drinks and snacks.
There are plenty of boat trips which take you to Anti Paxos and Paxos. The prices varied between 15 and 30 euros. Also you can catch smaller boats to different beaches as well.
Parga is a very hilly place so if you are not very good at walking it is not the place for you although there is a nic prom to walk round the harbour
You also don't feel like you are on the main land it just feels like being on an island. We certainly would go again another year