When I owned a boat I always carried a
Comprop (and a prop wrench) as a spare. It saved me (and someone I rescued) a few times over the years. One could get you on the water while you shop for a new aluminum prop or get it repaired. Amazon has them and you can get next day delivery with Prime:
https://www.amazon.com/s?k=comprop&ref=nb_sb_noss_1