Puree all marinade ingredients in a blender. Reserve 2 tablespoons of marinade.
Skewer two shrimp per sugarcane and place in marinade and refrigerate. After shrimp has marinated 2 to 3 hours, grill for about 3 to 4 minutes on each side, making sure they are fully cooked.
Serve with a drizzle of the reserved marinade and cilantro, as garnish.