Thangasseri is located at about 5 kms from Kollam. This quaint village which lies beside the sea was once the most favoured settlement of the Portuguese, the Dutch and the English. It is a good destination for the people who want to enjoy the natural beauty and the healthy enviornment. Thangasseri is famous for its 3 km beautiful beach which because of its precious beauty stands out from other beaches. The major attraction of this village is its 144 feet tall lighthouse which stands on the beach, the ruins of the old Portuguese fort and the churches built in the 18th century.