In reply to CLyus: I have never been there but it looks OK on the website. As for public transport, easy though a little time consuming. The First Group website will have all the times. Buses 2 and 10 run along the main road just east of the site, seven days a week until late evening. Bus 1 runs from Weymouth to Portland very frequently, again until late evening. Once on Portland itself you are within walking distance of everywhere (Easton village for the Cuttings, Courtlands for Blacknor and battleship, Southwell for Wallsend, Godnor). I expect they do some weekly tickets to avoid paying each journey.