A sea plane take-off, landing and accessory device is composed of piles 1, a middle compartment body 2, a deck 3, a front long compartment body 13, a rear long compartment body 14, an air energy storage device 15, a pressurized water generating device 16, a bothway single runway 17, a blocking device 18, a bullet resistant device 19, a photovoltaic power generation device 20, a transformer room 23, a hydraulic device 25, a commanding tower 31, a control room 32, a plane shed 33, an elevator 34, a dock compartment 35, a wind driven generator 36, a water diversion device 38 and the like. The sea plane take-off, landing and accessory device is characterized in that the devices mutually operate in a linkage mode.