Havelock Island in the Andaman Islands is a popular destination for snorkeling and other water-based activities. There are several companies that offer snorkeling tours and services in Havelock Island.

One of the most well-known companies is Barefoot Scuba, which offers a range of snorkeling packages for different skill levels. They also provide all the necessary equipment, including snorkels, masks, and fins. Other companies that offer snorkeling services in Havelock Island include Andaman Bubbles and Dive India.

When booking a snorkeling tour or service in Havelock Island, it's important to consider factors such as safety, experience of the guides, and the quality of the equipment provided. It's also a good idea to check the weather conditions before booking, as strong winds and rough seas can make snorkeling unsafe.

Overall, snorkeling in Havelock Island can be a memorable and enjoyable experience for both beginners and experienced snorkelers. The island's clear waters and diverse marine life make it an ideal destination for this activity.