Add 2 1/2 cups water and 1/3 tsp salt to a frying pan and bring to a boil over medium heat. Break spaghetti in half and add to the pan. Cover and cook over low-medium heat for 2 minutes less than the package instructions, checking water levels occasionally.

While cooking the spaghetti, trim and remove strings from snap peas, then cut them in half.

Remove shrimp's vein using a skewer if necessary, then marinate with white wine, salt, and pepper.