Surfers are a notoriously thrifty bunch. We’re the kind of people who’ll make our own wax, find a good deal on a board, and try to fix our own dings. But there’s one thing we’re not so good at: the price of surfboard fins. Fins are the most expensive part of a surfboard, and the more expensive the fin, the more performance it usually offers. Why are fins so expensive?

Surfboard fins are usually made of fiberglass, which is an expensive material to manufacture. There are a lot of processes that go into making a surfboard fin.
The material that surfboard fins are made of has a big impact on the board’s performance. Fin material can be made of a variety of materials, including fiberglass, epoxy, and polyester. The most popular material for surfboard fins is fiberglass, which is lightweight and strong. Epoxy is a space-age material that is both lightweight and strong. Many surfboard fin brands have begun to use epoxy in their boards created with exotic materials like carbon fiber and E-Glue. These surfboard fins are stronger, lighter, and more costly. Meanwhile, material like uni-strut, fiberglass, and fiberglass/polyurethane blend is composed of materials that have been pre-impregnated with resin. The material itself is not pre-impregnated with resin. Rather, the resin is added after the board’s components are put together. This material is less expensive than epoxy and fiberglass, but it is still a relatively high-quality material. We sell many surfboards that are made with this material.
I think, you have got your answer “why Surfboard Fins are expensive? ” And the material that surfboard fins are made of has a big impact on the board’s performance.