Went to Sullivan's at Castle Island the other day with my lady friend.
If you are looking for a decent wiener at a low cost Sullivan's will do the trick.
Nothing special though. Not a hot dog place but a cheap food place at a tourist spot.
Wieners from Sullivan's come standard with a buttered toasted roll. Mine were grilled into the dark side. Choice of mustard, relish, onions, and ketchup. I got mine sans ketchup.
After ordering, the wieners come fast.
I think they're Kayem Frankfurters. They seem skinnier though than the ones in the supermarket.
I wouldn't make a special trip for these dogs but would pick some up if near Castle Island.
Not bad overall. 3/5!