On my visit to that island I found mosquitoes to be plentiful. Was that the case on yours?
Depends on what you define as plentiful. I imagine around the wetter months of summer, yes, it's bad, but I would say for that time of August it was no worse than where I'm from in southern NH. I only really noticed them in the evenings (though that may be because they enjoy my wife's sweet blood more than mine?). Between bug dope and smokey fires at night we kept them at bay.
Yeah, chip. Def. add it to the list. We would go back in a heart beat. If you like peace and quiet, that's the spot.