| Common Name (Tortoises) | Scientific Name | Habitat Preference | Islands | 
| Tortoise, Galapagos | Geochelone elephantopus    ssp. hoodensis | A | E | 
| Common Name (Turtles) | Scientific Name | Habitat Preference | Islands | 
| Turtle, Black (or Pacific Green) | Chelonia mydias | O, S | E, F (and surrounding waters) | 
| Turtle, Hawksbill (migrants) | Eretmochelys imbricata | O | E, F (migrants -- surrounding waters) | 
| Turtle, Leatherback (migrants) | Dermochelys coriacea | O | E, F (migrants -- surrounding waters) | 
| Turtle, Olive Ridley (migrants) | Lepidochelys olivacea | O | E, F (migrants -- surrounding waters) | 
| Common Name (Geckos) | Scientific Name | Habitat Preference | Islands | 
| Leaf-toed Gecko, Baur's | Phyllodactylus bauri | R, S, A | E, F | 
| Common Name (Lizards) | Scientific Name | Habitat Preference | Islands | 
| Lava Lizard, Espanola | Microlophus delanonis | R, S, A | E | 
| Lava Lizard, Floreana | Microlophus grayi | R, S, A | F | 
| Common Name (Iguanas) | Scientific Names | Habitat Preference | Island | 
| Iguana, Marine | Amblyrhynchus   ssp.  venustissimus | O, R, S, A | E | 
| Common Name (Snakes) | Scientific Name | Habitat Preference | Island | 
| Snake, Floreana | Philodryas biserialis   ssp. biserialis | R, S, A | F | 
| Snake, Espanola | Philodryas biserialis ssp. hoodensis | R, S, A | E |