I have not had the opportunity to take it out in the gulf for some sea kayaking, although riding the waves and wake thrown up by all the power boaters on the lake on a holiday weekend gave me a good impression of the way it will handle.
It's easy to put up on edge. The seat is fairly comfortable. The seat back is higher than many I have seen, sometimes rubbing on my PFD. Not a big deal.
For the price point, it's a well designed, fun to paddle kayak. And will carry enough gear for a comfortable self-supported tour lasting 3 to 4 days.