Neptune Oyster North End Boston $25.00 The lobster roll, a ubiquitous New England summer treat, is great if you love mayonnaise, but if you can't stand the stuff, like this Bostonist, you're usually SOL. Probably 99.9% of lobster rolls in Massachusetts are filled with lobster salad - lobster and other fillings tossed with mayo. But that other 0.1%? That's where Neptune Oyster's hot lobster roll comes in. Neptune offers two types of lobster roll......