Yes, your shed does need a base. This is to give it a solid, level foundation. Open soil will not help with the longevity of the shed itself or the contents within. The best materials to use to make your shed base are concrete, natural stone or wood.
St Bees
St Bees is a coastal town, civil parish as well as electoral ward in the Copeland area of Cumbria, England, on the Irish Sea. It was originally in the historical region of Cumberland. Within the parish is St Bees Head which is the only Heritage Coast in between Wales and Scotland which is a Site of Special Scientific Interest. It is an RSPB get and also has the largest seabird swarm in north-west England. St Bees Lighthouse depends on the North Head which is one of the most westerly point of Northern England. St Bees is a prominent vacation destination due to the coast and also proximity to the Western Lake District. In the town there is the Norman St Bees Priory, as well as St Bees School established in 1583. The Wainwright Coast to Coast Walk begin with the north end of St Bees Bay. The village is offered by the Cumbrian Coast Railway.