You Do Need power plug adapter while traveling from Balearic Islands to Isle of Man.

Here is Why You Need An Adapter

The outlet and plug type used in Isle of Man are C and G and in Balearic Islands are C and F. This is how they look like.

Balearic Islands

In Balearic Islands, outlets of type C and F are in use.

Type C

Type F

Isle of Man

In Isle of Man, outlets of type C and G are in use.

Type C

Type G