Large authentic aluminum porthole re-purposed into a mirror. Perfect for the nautical/coastal interior. With a barrage of replica porthole mirrors available on the market today, there's certainly something out there at every size and price point for the nautical/ coastal home decorator. But if you're wanting something more than the typical knockoff, then take a look at Skipjack's classic nautical porthole mirror. Made with an authentic large opening ship's 2 or 3 dog portholes that we've recycled from the shipping industry, these are handsomely re-purposed into an impressive nautical mirror. These portholes are made from aluminum and salvaged from ships built in the 1970's/ 80's and made to the highest of marine specifications. Aluminum portholes are much lighter than their brass and bronze predecessors which makes them very usable as a wall hanging in any nautical/coastal interior. Side view of our classic nautical porthole mirror. An example of a ...