Sullivans Diner

You're walking down Station Road towards the seafront and you spot Sullivans. It's the kind of place that doesn't shout about itself, but once you're in, you get why locals keep coming back. The café does that whole all-day breakfast number without the faffiness—think proper cooked breakfasts, decent sandwiches, and coffee that someone actually cares about. It's busy at weekends, the sort of buzz that comes from people knowing it's genuinely good rather than Instagram-worthy. The fact it's pulling nearly 4.7 stars from 133 reviews tells you everything: this is the real deal, not trying to be anything other than a solid, friendly neighbourhood café that serves Penzance exactly what it needs.