I claim the ornamental design for a dive fin organizer, as shown and described.
FIG. 1 is a rear perspective view of a dive fin organizer of my new design;
FIG. 2 is a front perspective view of FIG. 1;
FIG. 3 is a rear elevational view of FIG. 1;
FIG. 4 is a front elevational view of FIG. 1;
FIG. 5 is a right-side elevational view of FIG. 1;
FIG. 6 is a left-side elevational view of FIG. 1;
FIG. 7 is a top plan view of FIG. 9; and,
FIG. 8 is a bottom plan view of FIG. 1.
The dot-dash lines depict the boundaries of the claimed design and form no part of the claimed design. The dash-dash broken lines showing a zipper pull and zipper teeth depict portions of the dive fin organizer that form no part of the claimed design. The remaining dash-dash lines within the boundaries of the dive fin organizer depict stitching that forms part of the claimed design.