Snorkeling in New Zealand can be a wonderful experience, as the country offers a diverse range of underwater environments to explore. Some of the popular spots for snorkeling in New Zealand include:

Poor Knights Islands: This marine reserve is home to a variety of marine life, including colorful fish, rays, and even the occasional dolphin or whale.

Goat Island Marine Reserve: Located in the north of Auckland, this reserve is New Zealand's first marine reserve and offers a great opportunity to see a range of marine species.

Cathedral Cove Marine Reserve: This reserve is located in the Coromandel region and is known for its crystal-clear waters and beautiful rock formations, making it a popular spot for snorkeling.

Fiordland National Park: Located in the south-west of the South Island, this park offers a unique underwater experience with its deep, fjord-like lakes that are surrounded by towering mountains.

It is important to note that snorkeling can be dangerous if not done properly, so it is always recommended to go with a reputable tour operator or guide who can provide the necessary safety equipment and advice. Additionally, it is important to respect the marine environment and follow any guidelines or rules in place to protect it.