A company in Florida has designed a clear kayak that let's you see everything going on below you in the water.
Crystal Kayak Company created the "Crystal Explorer" to make kayaking a spectator's sport . Lighter than a traditional kayak at 47 pounds, the transparent kayak is made completely out of Spanish Lexan, the same material used for airplane windshields according to Travel + Leisure. [Source]
They start at $1499 so they are a little pricey to own, but several resort destinations will now let you rent them for a fraction of the price.
Watch this drone video and prepare to be blown away:
And some of these photos are just incredible: