If you're flying into Santiago de los Caballeros airport, the closest Sixt car rental location to you is Av. Victor Manuel Espaillat, and they can be reached on +1 809 541 7498.
No, Sixt does not currently offer pickup services from Santiago de los Caballeros airport (STI). However, their nearest location is Av. Victor Manuel Espaillat which is approx. 1.081mi away from Santiago de los Caballeros airport and accessible by public transport.