There are many whale watching tours throughout West and South Maui, but why not go with those who are the most knowledgeable and economical? Not to mention this company is a non-profit organization and your ticket money goes directly to funding research on the preservation of these amazing animals, as opposed lining the pockets of a tour operator? For as low as $20 the Pacific Whale Foundation will take you out for 2 hours for a humpback whale watching adventure. They have a fleet of vessels that depart throughout the whole day everyday, but take my suggestion and book on the smallest boat you can. This makes for a more up close viewing experience as opposed to the larger boats in the fleet. The best time of year to go whale watching off the coast of Maui is in the winter months when the whales migrate to the warm waters for flirting with the ladies, competing with rival males and what looks like maybe just to have some fun. February is truly the peak with the highest whale activity. Humpback whales are seen literally everywhere. Blowing water in the air, splashing about, breaching (jumping out of the water) and even slapping their giant tails on the surface of the water. The staff at PWF is very friendly and knowledgable. Most are marine biologists or those with degrees in eco-tourism. I think it would be next to impossible to stump one of the guides with a question. They also offer cocktails and beers if you are into that like I am. The boats, staff and experience are all first rate. And all this for $20 a person when it goes to a good cause? Ther is no better choice. Check out my videos from my last outing with PWF. A yearling calf came up to our boat to curiously investigate us when moments later Mom showed up and put herself between us and her calf in an effort to steer the calf away from danger. This experience happened literally 2 feet off the stern of our boat. The tremendously close encounter moved several people so deeply they began crying. (strange?) Our guides stated they had never seen such an encounter as close and impressive, not during their tenure with Pacific Whale Foundation anyway. The law states that no vessel can come within 100 yards of a humpback whale, but the whales don't know this law so the whales that day were not charged with any criminal offenses.