Helicopter Tours (Jurassic Park) - http://www.sunshinehelicopters.com/kauai_helicopter_tours.html
Golf - http://www.makaigolf.com/index.php
Horseback riding, zip line and ATV's - http://princevilleranch.com/
Na Pali hiking and boat tours - http://www.gohawaii.com/en/kauai/regions-neighborhoods/north-shore/napali-coast/#customOrder:random^newCustomSearch:false
Kauai Vacation Activities, LLC - Activities concierge service. http://www.kauaiva.com/ Please ask for Sonja Keala +1 (808) 634-8508