Shopping would surely be a fun as well as indulging experience for you in Gangasagar (or Sagardip) as it is a religious island. You get to buy abundance of sea products like, artefacts made of sea-shells, Conch, conch shells customized for your loved ones as souvenirs from the small market. On the other hand, you can also shop for religious stuff like religious song CDs / DVDs, pooja samagri (worship items) and much more for your home.