You Do Need power plug adapter while traveling from Sint Eustatius to Falkland Islands.

Here is Why You Need An Adapter

The outlet and plug type used in Falkland Islands is G and in Sint Eustatius are A, B, C and F. This is how they look like.

Sint Eustatius

In Sint Eustatius, outlets of type A, B, C and F are in use.

Type A

Type B

Type C

Type F

Falkland Islands

In Falkland Islands, outlets of type G are in use.

Type G