It is important to first consider the conditions and use of your kayak. For example, if you are planning to fish then opting for the best sit-on-top kayak might be a better option for inland fishing. You also want to consider how far you are planning to paddle. The longer and narrower the kayak, the faster it will it travel. If you are planning on paddling 20 or miles each day, this is important to consider.
You also want to think about if the water is calm or if the water is moving water. This will determine the kind of kayak you should ultimately purchase to help you have the most enjoyable experience under specific conditions.