imike - problem is not in walking, but the amount of sand that tends to get seemingly everywhere. Bike, shoes and me, all get full of sand and then I get to listen to my wife complain about the sand everywhere in the apartment. I've seen people taking a shortcut and riding the bike through Belt Pkwy car entrance on Knapp St. and then keeping to the side of the highway until Plum Beach exit - it's not a long ride along the highway, but I'd rather walk the sand then take my chances being hit by a car on highway...