Ferry from Portsmouth to St Malo, then train to Nantes.

Day 1: Cycle to the coast at Moirmoutiere crossing the causeway.

Day 2: ride to the ferry at Fromentine and then across to Ile d'Yeu, cycle to Municipal camping. 2 Nights.

Day 4: back to Fromentine, then all the way to Les Sables d'Olone, and on to La Tranche sur Mer staying at Camping Bel - 4 rue du Bottereau 85360 LA TRANCHE-SUR-MER.

Day 5: all the way round to Ars en Re on Ile de Re, staying at AirBnB.  2 Nights.

Day 7: back to La Rochelle to catch train to Nantes, then Rennes, then St Malo. Stay at Camping de la Ville Huchet