We had great stay at Justin's appartment. It's is very close to the beach. The water is very calm and it was safe to swim there with our 4 yo son. He really enjoyed it. The Jordan's Supermarket is just down the hill and you can get there everything you need. Neighbourhood is very quite and we felt very safe there. The apartment itself is very spacious. Everything you need is there. It was clean when we moved in. Justin provided us with mobile phone with local sim, which was kind of him and very helpful as for e.g. to rent a car or book a boat trip we were asked to give a local number. We decided to rent a car just for few days to get to places like Bathsheba or Bottom Bay for a rest of the stay we used local transport which was adventures itself. We used Reggae Buses few times to get from Prospect to Bridgtown which is very easy (it was more difficult to find one to get back from the town but you can count on locals who are very friendly and will ask you if can help every 5 mins :).
For those not too fit it's good to know that the hill to get to apartment from the beach is quite steep, but we managed to walk few times with shopping and our son so it's not all that bad.
The value for money is fantastic and me and my wife cannot recommend this place enough . We felt in love with that island and if will be lucky enough to get back there one day we'll definitely choose Justins apartmant to stay there again.