Hahei Explorer - Daily scenic adventure boat trips in the Hahei Marine Reserve. View the Cathedral Cove, and islands, reefs and sea caves of this volcanic coastline with full commentary. - http://www.dreamland.co.nz/haheiexplorer/
Cathedral Cove Sea Kayaking - Operates guided sea kayak tours in and around the Cathedral Cove marine reserve. Details of trips, photo gallery and location map. - http://www.seakayaktours.co.nz/