PROS: Location is fantastic, you can see the Pacific to the west and the Andes to the East. Their Black Hawk Caravan is fast and has benches. I went in summer when the weather was great. Jumps were $25,000 each (currently about 25GBP/ 33USD) which is pretty good. Staff were generally very friendly (Max was very welcoming and the pilot Rodriguez was super helpful and chatty, and gave a great orientation from the air). Registration was easy thanks to Babo and Jorge and I was quickly introduced to another wingsuiter and we were left to crack on with whatever we wanted. Café serves good food, especially breakfast! People were friendly and I was grateful for the effort some of the local jumpers put in to be welcoming- big plus! Great scenery around the place, and nice villages nearby. Judging purely on jumps and friendliness, jumping here is awesome!
CONS: Communication beforehand was poor. No reply to email. Whatsapped and asked specifically which dates the DZ would be open, and despite getting a short but clear answer, I drove over an hour and a half to find the DZ closed when I was told it would be open. A total waste of a day on holiday! Sounds below like other people also had poor communication. On the jumping days, there were SO many tandems that fun-jumping became not very fun. One day there were 21 lifts and I only got 2 jumps despite waiting from 9am. It was after lunch before I got the first jump and one instructor I spoke to had already done 5 tandems. Local jumpers were also complaining. In mitigation, this was after Xmas, so perhaps a lot of people had received tandems for presents, but even so, fun jumpers were definitely pushed to the side. There's no wifi (a real pain if you're using a foreign phone). No accommodation and nearest cash point is in the next village (20 mins), but there are some local hostels around. Basically, bring a book, because you'll be sitting around a lot.
Conclusion: If you're Europe based, it's worth taking your kit if you're heading to Chile anyway, especially given its 1-1.5hrs to the capital and the scenery is great. However, remember that it is a local DZ/ tandem centre, so it's not worth planning a whole trip to the southern hemisphere for, because you just won't get the jumps in to make it worth the effort- stick to Algarve, Empuria etc. If it just sorted out the waiting times and prior communication it would be a 5-star DZ for sure. I'd like to emphasize that the people I met were really cool, friendly and welcoming, and I'd go again if I was in town.