Start your trip with a visit to the Cellular Jail National Memorial, a slice of India's colonial history. The morning tour will take you through the prison cells, history exhibits, and a light and sound show depicting the struggles of India's freedom fighters. In the afternoon, head to Corbyn's Cove Beach for some water activities and relaxation. In the evening, watch the sunset at the beach while sipping on some coconut water.
Start your morning with a visit to the Mahatma Gandhi Marine National Park, a stunning collection of islands, reefs, and marine life. Take a glass-bottom boat ride to see the underwater world, go snorkeling, or simply relax at the beach. In the afternoon, head to the nearby Chidiya Tapu for bird watching and a nature trail. In the evening, return to Port Blair and visit the local market for some street food and souvenirs.
Take a morning ferry to Ross Island, a former British administrative center now in ruins. Walk through the island's trails, visit the museum, and see the Japanese bunkers. Then, head to North Bay Island for some snorkeling and other water activities. In the evening, return to Port Blair and visit the Anthropological Museum to learn about the indigenous tribes of the Andaman Islands.
Start your day by visiting Mount Harriet National Park, the highest peak in the South Andaman Islands. Take a trek to Madhuban, a beautiful forest with endemic flora and fauna. In the afternoon, head to the nearby Wandoor Beach for some swimming and relaxation. In the evening, visit the Samudrika Naval Marine Museum to learn about the islands' biodiversity and naval history.
Take an early morning tour to Baratang Island to see the Limestone Caves, a natural wonder formed by years of geological processes. See the mangrove forests and the Jarwa tribal settlements en route. In the afternoon, head to nearby Parrot Island for some bird watching. In the evening, return to Port Blair and visit the Marina Park and Aquarium for some entertainment and relaxation.
Take an early morning ferry to Havelock Island to visit the famous Radhanagar Beach, one of the best beaches in Asia. Spend the morning sunbathing, swimming, and snorkeling. In the afternoon, take a trek to Elephant Beach for some more water activities. In the evening, return to Port Blair and enjoy a farewell dinner at one of the local seafood restaurants.
Consider taking a day trip to the nearby Barren Island to see India's only active volcano. Also, visit the Andaman Islands during the winter months (December to February) when the weather is pleasant and the water is clearer for water activities. To maximize your fun, try scuba diving and sea walking at Havelock Island, and take a night kayaking tour to see the bioluminescence.