We provide award-winning, wildlife and conservation focused guided cruises and dolphin swimming experiences through the beautiful Marlborough Sounds. Those looking for the thrill of a lifetime can join us for our Dolphin Swim or View Experience or you could take part in our fully guided cruises to your choice of bird sanctuary islands or Historic Ship Cove. A clean green paradise of bush and sea full of natural beauty, history and wildlife is waiting to be explored and experienced. E-Ko Tours is Qualmark Enviro-Gold certified and the only local operator able to actively search for Dolphins. We provide degree qualified, professional guides on all our Tours.