Rinse the octopus under cold running water
Remove the beak if it has not already been removed
Remove the eyes if desired
Turn the head inside out and clean out the interior
Remove any remaining innards or debris
Trim off the ink sac if present
Cut away the mouth area and any tough connective tissue
Check the tentacles for sand, grit, or suction cup debris
Pat the octopus dry with paper towels
Cut into pieces if needed for your recipe
Chill until ready to cook