How fast can you go in a sea kayak?

Kayaks are only limited by the person paddling them and the hull design. With the proper design and correct paddling form its possible to be going 10-12 mph

17 mph or 25 mph

Sea otters can swim at about about 1.5 miles per hour on the surface of the water on their backs, and about 5.6 miles per hour underwater. They are not considered very fast creatures, which makes...

depends on the boat 8.7

How ever fast it was to go plus adding nitrous and sick tires helps too! I prefer a high class jet engine for mine but it's up to you