Take a morning stroll along the 13-kilometre-long beach and watch the sunrise. Enjoy some street food and go horseback riding. In the afternoon, visit the 18th century St. Mary's Church and historic Fort St. George. In the evening, catch a sunset view of the beach and go shopping for souvenirs.
Visit the UNESCO World Heritage site of Mahabalipuram. Explore ancient rock-cut temples, sculptures and caves. Go on a boat ride and watch the sea turtles. In the afternoon, relax on the beach and enjoy some seafood. In the evening, witness the traditional dance drama of Koothu at the local theatre.
Take a day trip to the 510-hectare zoo and see over 170 species of animals. Ride a toy train and visit the aquarium and butterfly house. In the afternoon, have a picnic in the park and watch bird and animal shows. In the evening, visit the nearby Vandalur Reserve Forest.
Learn about astronomy and science at the interactive Birla Planetarium and Periyar Science and Technology Centre. In the afternoon, visit the nearby Government Museum and Art Gallery to see ancient artefacts and paintings. In the evening, watch a movie or play at the historic Devi Cineplex.
Explore the 270-hectare national park and see wild animals and birds. Visit the Snake Park and learn about reptiles. In the afternoon, have a picnic and play sports in the park. In the evening, enjoy a light and sound show at the nearby St. Thomas Mount National Shrine.
Visit the Valluvar Kottam and see the 133-feet-high chariot-shaped monument and the 1,330 verses of the ancient Tamil poet Thiruvalluvar. In the afternoon, visit the 7th century Kapaleeshwarar Temple and witness the rituals and ceremonies. In the evening, take a walk in the nearby Besant Nagar Beach and enjoy some street food.
Visit the Crocodile Bank and see over 2,400 crocodiles and alligators. Learn about the conservation efforts and watch the feeding sessions. In the afternoon, visit the nearby Covelong Beach and engage in water sports. In the evening, have a farewell dinner at the nearby Adyar Ananda Bhavan.
If you have some spare time, consider visiting the DakshinaChitra museum, MGM Dizzee World, or the Cholamandal Artists' Village. Take a side trip to Kanchipuram, also known as the "City of Thousand Temples". To maximize your fun, hire a local tour guide or rent a car. Avoid visiting outdoor places during midday as it can get hot and humid in June.