| Kauai tours that do not accept AMEX | Kauai tours that do accept AMEX |
| Na Pali Explorer | Rental Cars |
| Interisland Helicopters | Holoholo Charters |
| Explore Kauai Sportfishing | Kayak Kauai |
| Kauai Backcountry - tubing | Outfitters Kauai - bike tours |
| Kauai Backcountry - zipline | Outfitters Kauai - Kipu zipline |
| Princeville Ranch Stables | Kipu Ranch ATV tours |
| Princeville Ranch Adventures - zipline | Smiths Luau / Fern Grotto |
| Treetops Zipline | Fly-drives to Oahu |
| Surf Lessons with Kayak Kauai | |
| CJM Stables | |
| Jack Harter Helicopters | |
| All Surf and SUP lessons | |
| Kauai Photo Tours |