My husband and I traveled around the periphery of Iceland (on Ring Road) over a 9-day trip this summer. Husavik is a primarily fishing town located on the northern coast of Iceland. It is about 40-min drive from Lake Myvatn. The town has daily whale and puffin watching tours on Skjalfandi Bay, offered by multiple companies. The whale museum is right next to the harbor. There are some good cafes, gift shops and a beautiful wooden church too by the harbor.
We were here in June 2015 and took the evening whale watching excursion with North Sailing. We had a great experience with North Saling as we managed to see several humpbacks and two blue whales up close. The only thing we did not see is the whales flipping out from the sea. Would recommend taking evening excursions as the tour operators would have a better ideas of the locations of the whales for that day. Definitely would recommend people to try out the whale watching excursion in Husavik.