You Do Need power plug adapter while traveling from Saint Vincent and the Grenadines to Uruguay.

Here is Why You Need An Adapter

The outlet and plug type used in Uruguay are C, F and L and in Saint Vincent and the Grenadines are A, B and G. This is how they look like.

Saint Vincent and the Grenadines

In Saint Vincent and the Grenadines, outlets of type A, B and G are in use.

Type A

Type B

Type G

Uruguay

In Uruguay, outlets of type C, F and L are in use.

Type C

Type F

Type L