The ornamental design for an inflatableaquaticfloat, as shown and described.
FIG. 1 is a perspective view of the inflatable aquatic float showing my new design;
FIG. 2 is a front elevational view thereof, elevational views taken at 72° from the front view, 144° from the front view, 216° from the front view, and 288° from the front view are identical thereof;
FIG. 3 is a side elevational view taken at 36° from the front view, elevational views taken at 108° from the front view, 180° from the front view, 252° from the front view, and 324° from the front view are identical thereto; and,
FIG. 4 is a top plan view thereof, the bottom plan view being identical thereto.