Mix eggs and water. Set aside.
Place 1/3 cup of cornstarch in a bowl for dusting the shrimp.
Mix in separate bowl 1/3 cup (the remainder) of cornstarch, coconut, sugar, salt, and flour, blend well.
Heat oil for deep frying.
Roll shrimp in cornstarch, then in egg wash, then finally roll in coconut mixture.
Place shrimp in hot oil and deep fry until done.
Shrimp will float to the top when cooked.