Online you can order a inflatable replacement fin for 22-40 dollers. Overall it's still a great deal considering these boards go for 400 almost 500 dollers. The item "Roc Inflatable Stand Up Paddle Board Deck Non Slip Black Waterproof Bag Paddle" is in sale since Wednesday, April 22, 2020.
This item is in the category "Sporting Goods\Water Sports\Stand Up Paddleboarding\Stand Up Paddleboards". The seller is "ilovej-8765" and is located in Apple Valley, California. This item can be shipped worldwide.