It took 6 hours for us. Actually they are committed to go as far as they spot the whales. Our steamer took 2 and half hours to reach the spot and spend around 1 hour there and it was a rare experience to see whales. We returned fully satisfied.
3 is about right. Just depends on where the whales start showing activity as to how far out you go and how much time is spent traveling.
Mine was around 3hr 45min
Ours was 3 1/2 hours
Around 3 hours
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