Back Country offers the GoPro HERO4 Session Action Camera (Surf Edition) for $199.99. When you add a $1 filler item (like this shovel), the total drops to $160.98 with free two-day shipping. That's a savings of $239 off the original MSRP, $39 off Amazon's current listing and the best current price we can find.
Touted as the "smallest and lightest" GoPro yet, this square camera comes in at 1.5 x 1.5-inches and weighs under .2 pounds. It is capable of capturing 1440p30, 1080p60 and 720p100 video as well as 8MP still photos, plus it is waterproof to 33-feet. Rated 4.2/5 stars by 137 Amazon customers.
Be sure to swing by our roundup of the best GoPro accessories to complete your new action camera setup.