1. The Hauraki Gulf Islands are a group of islands located in the Hauraki Gulf, just off the coast of Auckland, New Zealand. The islands are known for their stunning natural beauty and diverse wildlife, including rare bird species and marine mammals such as dolphins and whales. Some of the most popular islands to visit include Waiheke Island, Great Barrier Island, Tiritiri Matangi Island, and Rangitoto Island. Each island offers a unique experience for visitors, from hiking and exploring to relaxing on the beaches and tasting local wines and cuisine.

2. Working times and contact phone numbers vary depending on the island and the type of activity you are interested in. It is recommended to check with the specific tour operator or accommodation provider for up-to-date information. For general information about the Hauraki Gulf Islands, you can contact the Auckland Tourism, Events and Economic Development (ATEED) on +64 9-374 4476.

3. The ticket prices and transportation options also vary depending on the island and the type of activity you are interested in. Some islands may require a ferry or boat ride, while others may be accessible by helicopter or small plane. It is recommended to research and book your transportation and activities in advance, as some tours and accommodations may book out quickly during popular travel seasons.