Just in time for midsummer, comes this unusual break from Black Tomato (020-7610 9008, blacktomato.co.uk) - Solstice on the Spit. Three nights at the Curonian Spit national park in Lithuania, a 98km lick of sand that separates a blue lagoon from the Baltic Sea. From £499pp for three nights' B&B at Hotel Palanga with flights.