Fins are an important part of snorkeling gear. With their flat wide surface they allow the snorkeler to easily navigate under water. The larger the fins, the more force they provide in the forward direction; but larger fins are also heavier and may impede motion. Medium-sized fins are reportedly best.

Snorkel fins are available in heel-strap and full-foot styles. Heel-strap fins are strapped on the heels of the snorkeler. The strap should be of a good quality to prevent a break and the loss of a fin while snorkeling. Heel-strap fins, because they