Kings Dolphin Cruises & Eco Tours

Kings offer dolphin swimming & whale watching cruises in the Bay of Islands on the ‘Dolphin Seeker’. See wildlife in their natural habitat and have a chance to swim with the dolphins in the wild. The ultimate marine adventure where you get to experience dolphins up close.
Different types of whales may be seen outside the islands on your way to the famous Hole in the Rock & Cathedral Cave. Your captain provides a full commentary on the history of the Bay of Islands along with dolphins, whales and other marine life in the Bay.

source:
http://www.newzealand.com /travel/about-nz/features/bay-of-islands-feature/bay-of-islands-nature-details.cfm/businessactivityid/153199/startrow/2/product/Bay%20of%20Islands%20Nature/seed/070508.html