You Do Need power plug adapter while traveling from Dominican Republic to Antigua and Barbuda.

Here is Why You Need An Adapter

The outlet and plug type used in Antigua and Barbuda are A and B and in Dominican Republic are A, B and C. This is how they look like.

Dominican Republic

In Dominican Republic, outlets of type A, B and C are in use.

Type A

Type B

Type C

Antigua and Barbuda

In Antigua and Barbuda, outlets of type A and B are in use.

Type A

Type B