Rinse shrimp, pat dry with a pepper towel. Set aside.
Heat 1 1/2 tablespoons of cooking oil in a large skillet over medium high heat. Add in bell peppers and onions to a hot pan. Stir to combine, cook 2-3 minutes, or until veggies begin to soften.
Add shrimp, and season with the Caribbean style spices. Add salt to taste. Cook 4-5 minutes, until shrimp are fully cooked, stirring occasionally.
Remove from heat, add mangos, and 2 Tablespoons of water. Add salt and pepper to taste.
Stir to combine.