"sailman things": Velella - by-the-wind sailor
Physalia physalis - Portuguese man-o-war
Polinices spp. - moon snail
Lepas spp. - gooseneck barnacle
Cyrtopleura costata (I think) - angel wing
Menippe adina or Menippe mercenaria - stone crab (not sure if this is Atlantic or Gulf Stone crab)
Ocypode quadrata - ghost crab