Raja & the Whales is a whale-watching operator based at Mirissa Harbour offering guided boat tours into the Indian Ocean, where blue whales and sperm whales are regularly sighted. The deep submarine canyon south of Mirissa â dropping to over 1,500 metres â lies on the seasonal migration route of the world’s largest animals, and Sri Lanka’s southern coast is recognised globally as one of the most reliable locations for blue whale encounters. The season peaks between November and April, when sea conditions are calmest and whale activity is highest.
Tours depart in the early morning from Mirissa Harbour, typically reaching sighting grounds within 45 to 60 minutes. Blue whales, which can reach up to 30 metres in length, produce a distinctive tall blow visible from a considerable distance. Spinner dolphins frequently accompany boats in large pods, and flying fish are a common sight on the open water. All tours operate in compliance with Sri Lanka’s marine mammal observation guidelines.
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