Borders are open with restrictions.
As of April 23, 2022, all passengers do not need to present a COVID-19 Vaccination Card, PCR or antigen test to enter the Dominican Republic or to enter tourist centers, any establishments or to receive services such as excursions. Random COVID-19 testing for passengers upon arrival in the Dominican Republic will no longer be performed. However, when required, random testing operations may be performed. Passengers who present their Vaccination Card will be exempted from random testing.
Arriving people must present upon arrival a QR code which can be obtained by completing an “Electronic Ticket” before boarding.
Detailed information can be found here