Do geckos have live babies

Yes, they can. While the majority of gecko species lay eggs, there are some gecko species that bear live births, in a method known as vivipary or ova-viviparous.

Some species that bear live births include: Naultinus elegans elegans, Rhacodactylus trachyrhynchus, Rhacodactylus trachycephal. In addition, there are approximately 40 gecko species endemic to New Zealand which all give birth to live young. No New Zealand gecko lays eggs.