Jersey arguably has more attractions while Guernsey has more diverse landscapes. Luckily, they're so close (an hour's ferry apart), you can visit both, then carry on island hopping to Herm, Sark and Alderney nearby.
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One of the larger of the Channel Islands, the gorgeous gem of Guernsey is stunning to visit. There's a heap of the best things to do in Guernsey dotted all across the island; with the sandy coves, historic castles and yummy places to eat making it perfect for a long weekend trip!