Hanauma Bay Nature Preserve is a popular tourist destination in Hawaii, known for its crystal-clear waters and diverse marine life. The bay is located on the southeastern coast of Oahu and is a protected marine life conservation area.

One of the main reasons to visit Hanauma Bay is for its snorkeling opportunities. Visitors can rent equipment and explore the bay's coral reefs, which are home to over 400 species of fish. The bay also offers educational programs and guided tours for those who want to learn more about the marine life and conservation efforts in the area.

One of the most popular points of interest in Hanauma Bay is the marine education center, which features interactive exhibits and displays about the bay's ecosystem. Visitors can also hike to the top of the bay's crater for panoramic views of the surrounding area.

Interesting facts about Hanauma Bay include that it was formed over 32,000 years ago from a volcanic eruption and that it was designated as a protected marine life conservation area in 1967. The bay is also known for its appearance in the opening scene of the TV show "Hawaii Five-0."

The best time of year to visit Hanauma Bay is in the summer months, when the water is calm and clear. It is important to note that the bay is closed on Tuesdays and visitors are required to watch a short video about conservation efforts before entering the preserve.