Universal Replacement US Fin Box

The Replacement US Fin Box is a universal solution designed to fit nearly all inflatable paddle boards. Durable and versatile, it's the go-to replacement for your iSUP needs.

These are often the purchases that save hassle later, especially when you buy the right part first time.

Where it sits in the range

Fin choice changes the feel of a board more than many paddlers expect. The right option can improve tracking, loosen up turns or make a board feel calmer and easier to paddle over distance.

Why choose the Replacement US Fin Box?

• The Replacement US Fin Box is a universal solution designed to fit nearly all inflatable paddle boards. Durable and versatile, it's the go-to replacement for your iSUP needs.
• Universal Fit : Compatible with most inflatable paddle boards.
• Note : Glue is not included in this kit.

Helpful reading & related collections

• Browse paddleboarding accessories
• Shop fins
• Browse paddle accessories
• Shop the wider Starboard range

Is this compatible with my setup?

Compatibility matters with parts, spares and accessories, so if you are in any doubt we would always recommend checking before ordering. A quick message with your board, foil or paddle details usually lets us confirm the right part fast.

Is this a genuine Starboard part or accessory?

Where listed as Starboard, this product is intended to work within the wider Starboard ecosystem. That matters with fit, reliability and long-term ease of ownership.

Can you help me choose the right option?

Yes. Small accessories and replacement parts can be surprisingly easy to get wrong online, so we are very happy to help you narrow it down before you buy.