We are the best whale watching tour operator in mirissa Sri Lanka, our boat deep blue & speed Liner has operated over 1000 daily whale watching tours successfully and we have 50ft & 85 seats trimaran boats & 40ft single hull boat with 40 seats & both with observation deck and also high speed boats which can reach the whale in half a hour.we depart out boats from mirissa harbor by right about 7am and while you in the tour you can watch blue whales,bryde whale,sperm whales and spinner dolphins. Boat tour may last 3-5 hours and you will be served coffee,breakfast,water bottles,also our qualified crew will assist you whenever you need.