The best red snapper

I had the best red snapper in my life, in a small Jamaican restaurant near the Tamarindo beach in Costa Rica. It is a small simple restaurant with all natural tree-truck shape tables. I assume the chef is Jamaican and the owner is Costa Rican.

Of course, the freshness is the most important fact for this simple dish, which cost about $ 12. The fish is deep fried, covered with onion and red pepper, with a sort of sweet sauce. It is perfectly cooked; the fish meat is firm, the tail and side parts are very crispy. It is really exceptional. ( not spicy at all, is that authentic?)