Probably best deal of waterproof housing, for mirorless camera I have ever seen. On B&H photo site, you can buy Nikon WP-N1 Waterproof Housing for Nikon 1 J1 / J2 for only 96.95$. This means you will save 650$ compare to regular price. When you will get factory refurbrished camera from eBay, where you can buy Nikon 1 J1 for about 149$ and J2 is not too much more expensive, you can start with diving / underwater photography for less then 250$ and Nikon 1 means really serious photograph quality. This is trully fantastic, when you realize that with this waterproof housing you can dive to 40 meters.

Here you can buy it until offer will ends
http://www.bhphotovideo.com/c/product/888272-REG/Nikon_3689_WP_N1_Waterproof_Housing_for.html