What use is visiting an island if you do not take time off to enjoy its marine life! Whale watching is the perfect way to see this side of Sri Lanka. Whale watching excursion on the Southern coast often happens at Mirissa, which is about one and a half hours away from Kalutara. The tours start with the break of dawn and take a couple of hours. If you are lucky, not only will you be able to see whales, but some friendly dolphins would come to welcome you to the paradise island as well. The whale watching season in this region is between April and December.
While in Mirissa, you could also try your hand at swimming, snorkelling, and even a bit of fishing. All coastal activities are practised in Mirissa, so you can quite easily make it an action-packed day tour from Kalutara.