Tranquebar (Tamil Nadu, India), also known as Tarangampadi, is situated about 15 kms south of Poompuhar and has the habitation of Chola period till date. It had become a principal port during Dutch and Danish periods. The earliest reference to this place in a 14 th Century inscription, mentioning that the merchants guilds residing at Tarangampadi. The Masilamani temple of 14 th Century AD is under threat by the sea. The remains of Dutch fort have been submerged in the sea and brick wells of Danish period were completely exposed in the inter-tidal zone. There are several references suggesting the shift of shoreline at Tranquebar area, which may be due to several reasons. In this paper an attempt is made to study the shoreline changes by using the satellite images and comparing them with topographic charts of 1972-73 and 1930 with reference to archaeological monuments in the vicinity of Tranquebar.