Stay on the Koster islands, where you can rent bikes, enjoy a guided tour or take a boat trip around the marine wonderland. October is also peak time to experience the renowned Shellfish Journey, with unique seafood safaris setting off from the islands. Six nights (two at Park Avenue Hotel in Gothenburg and four at Sydkoster hotel Ekenäs on the South Koster island), starting 15 October and including 48hr tourist cards in Gothenburg, rain/ferry between Gothenburg and Sydkoster and return flights from London Heathrow to Gothenburg, costs from £738pp (£2950 total - for 2 adults and 2 children).
Call Simply Sweden on 0845 8900 300 or visit www.simplysweden.co.uk