Abstract: A liquid droplet ejecting head is disclosed which includes: a nozzle that ejects a liquid droplet; a pressure chamber that is communicated with the nozzle and in which a liquid is filled; a vibrating plate that forms a portion of the pressure chamber; an ink pooling chamber that pools a liquid which is supplied to the pressure chamber via a liquid flow path; a piezoelectric element that displaces the vibrating plate; and an isolation chamber that is provided in the liquid pooling chamber and isolates the piezoelectric element from the liquid. The liquid pooling chamber is provided at a side opposite to the pressure chamber, with the vibrating plate disposed between the liquid pooling chamber and the pressure chamber. A liquid droplet ejecting apparatus including this liquid droplet ejecting head is also disclosed.