 Herm ( Guernésiais : Haerme ) is one of the Channel Islands and part of the Parish of St Peter Port in the Bailiwick of Guernsey . It is located in the English Channel , north @-@ west of France and south of England . It is 1 @.@ 5 miles ( 2 @.@ 4 km ) long and under 0 @.@ 5 miles ( 0 @.@ 80 km ) wide ; orientated north @-@ south , with several stretches of sand along its northern coast . The much larger island of Guernsey lies to the west and Jersey to the south @-@ east , and the smaller island of Jethou is just off the south @-@ west coast . 
