Start your day by visiting the second-largest lake in Kerala, Ashtamudi Lake. Take a boat ride and enjoy the beautiful scenery of the backwaters. You may also spot different species of birds and even otters if you're lucky.
Head to Kollam Beach and watch the fishermen in action, or take a dip in the sea. You'll find several food vendors selling fresh seafood, coconut water, and other local delicacies.
Take a scenic drive to Palaruvi Waterfalls, one of the most beautiful waterfalls in Kerala. The waterfall cascades from a height of 300 feet into a pool, making it an ideal spot for swimming and relaxing. Please note that you will need to climb down around 300 steps to reach the waterfall.
Visit the first planned eco-tourism destination in India, Thenmala, which offers a range of activities such as trekking, boating, rock climbing, and wildlife tours. The eco-tourism center also has a treehouse and an adventure zone for children.
End your day with some fun and games at Kollam Adventure Park, which has a range of activities such as go-karting, paintball, and zip-lining. The park also has a restaurant that serves delicious food.
If you have some more time, you can visit the Thangassery Lighthouse, Thirumullavaram Beach, and the Thevally Palace. You can also take a side trip to Varkala, which is known for its cliff-lined beaches and mineral springs. To maximize your fun, try to start early in the day, wear comfortable clothes and footwear, and carry a water bottle with you.