If it can get by with a DR notary, then Rocky has a good answer. If it needs to be notarized by a US notary, then it can be done by Ted Foster, the US Consul in Puerto Plata.
U.S. Consular Agency Puerto Plata
Villanueva Street at the corner of John F. Kennedy Ave.
Abraxa Bookstore Bldg., 2nd. Floor
Alexandra - Secretary
Telephone Number: (809) 586-8017, (809) 586-4204, (809) 586-8023
Fax: (809) 586-8015
E-Mail:
acssantodom@state.gov