Four-chamber inflatable kayak

A four-chamber inflatable kayak, comprising:

• an upper chamber, a lower chamber, two connecting portions, two side chambers and two side coverings, wherein
• the upper chamber and the lower chamber are streamlined with a wide center and narrow ends, and an outer portion of two ends of the upper chamber and the lower chamber is connected to each other by means of a connecting portion, each connecting portion has two separate compartments that are separated from each other, both ends of the upper chamber and the lower chamber are accommodated in separate compartments in the connecting portion, so that a cavity with accommodating space is formed between the upper chamber and the lower chamber, the upper chamber comprises a cockpit hole disposed in a middle, and the cockpit hole is communicated with the cavity;
• and
• the upper chamber and the lower chamber are connected on each side by means of side coverings, and the two side chambers are removably accommodated in the cavity and are removably connected to the upper chamber, the lower chamber, and the side coverings, respectively.