1. GoPro Surfboard Mounts (GoPro Official Mount) (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10
Perfect for surfboards, kayaks, SUPs, boat decks and moreIdeal for activities where maximum holding strength is needed

2. 10 in One Surfboard Surfing Board Mount Tethers Set Outdoor Sports Accessories Kits for GoPro Hero 5 4 3+ 3 2 1 Camera(White Type) (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
100% Brand New and High Quality.This Surfing Mount Kits is with Superior Quality than other normal type.

3. Mouth Mount for GoPro (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
#1 Mouth Mount, Used by GoPro Athletes Kelly Slater and Anthony WalshBreathable Scuba Style Mouthpiece AND Bite Supports for stable footage

4. GoPro The Handler (Floating Hand Grip) (GoPro Official Mount) (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
Increases Stability: Helps you capture steadier footage compared to holding the camera by hand.Floats Any GoPro Camera: The Handler keeps your GoPro afloat so you can shoot in and around the water, worry free. BacPac Compatible: Floats your GoPro camera with an LCD Touch BacPac or Battery BacPac attached.

5. ASOCEA Camera Surfing Mount for Gopro Hero5 Black Hero 4 Silver APEMAN Lightdow Cymas Action Camera for Surfboard Skateboard Wakeboard (Click Link to Check Price on Amazon)
Editor's Rating : 9 out of 10
100% new and high quality guarantee, Made of ABS.3M VHB Ultra hold adhesive backing.Enclose is used to enhance the security of adhesive hanging belt holder and camera.