I will be flying to Punta Cana on Saturday! I've got two excursions booked so far: a dune buggy tour and a catamaran trip to Isla Saona. I discovered them both via tripadvisor (see links below). They're both highly rated! I'll let you know how they go.
I use BM Cargo since 2011. I recently created an account with CPS but haven't tried them yet. You can compare couriers prices using this app: https://play.google.com/store/apps/details?id=geekcomdo.android.couriersrd
You can purchase Dede Mirabal's memoir here to learn more on her perspective re: Haiti and her work : https://www.amazon.com/Vivas-jard%C3%ADn-Spanish-Dede-Mirabal/dp/0307474534
Me di cuenta de que el link de la publicacion no funciona (mi error xD), aqui lo tienen: https://play.google.com/store/apps/details?id=com.Alphyle.UpDodgeDown