Provided is an amphibious vertical takeoff and landing unmanned device comprising a modular and expandable waterproof body, a chassis, an outer body shell, a propulsion system, a propeller protection system, a surface skidding material platform, a landing system, control surfaces, a ballast, an onboard air compressor, an onboard electrolysis system, a waterproof through-body wire or antenna feed-through, a single- or multiple-axis tilt-motor device, a tilt fuselage device, a tilt wing device, a battery, a power distribution board, a Global Positioning System module, a lost model alert, a cooling device, a detachable impact absorbing skin or shell, vision aiding and orientative lights, hatches, quick connect payloads, a lap counter for racing, a flat or inclined launch platform or footing, claws, an apparatus for externally attaching and internally housing the cargo, a charging station, a partial vacuum device, a manually or automatically deployable parachute, and an onboard or ground station electricity generator.