Whale Watching and Dolphin Spotting Cruise from the North Island. Spot dolphins and whales in St. Lucia’s beautiful turquoise waters! Learn about St. Lucia’s magnificent marine mammals and snap photos of St. Lucia’s North Island coastline on the St. Lucia Whale Watching and Dolphin Spotting Tour! Book now and Save 10% Off Whale Watching and Dolphin Spotting Cruise from the North Island.