we did the snorkling trip in silfra. Our guide Linus was excellent. Weather was terrible but he pushed through and we had an amazing experience. No minimum numbers was excellent, only 2 of us on our tour.the water is superb and clear, and the drysuits do a great job of keeping you warm and dry. As a novice in dry suits and at snorkling, he was very good and helped us alot.
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