Most tourists think Dublin has no proper beaches, but Bull Island is a 5km stretch of golden sand just 20 minutes from O'Connell Street. Connected to the mainland by a narrow wooden bridge, this UNESCO Biosphere Reserve feels like a different country — Massive open beach, rolling dunes, and proper Atlantic waves when the swell's up.

Take the DART to Clontarf Road station, then it's a 15-minute walk through residential streets to the wooden bridge, or catch Bus 130 which drops you closer to the causeway. The beach faces northeast so you get sunrise shots over Dublin Bay with the city skyline in the background — Absolute magic for early risers.

Water temp hovers around 9-15°C year-round, so pack a wetsuit if you're planning to get in. Local surfers hit the break near the wooden bridge when there's northeast wind and incoming tide. The southern end near the car park is better for families, while the northern stretch toward the lighthouse is pure wilderness — Just you, the birds, and 5km of uninterrupted sand.

Bull Island is also a major bird migration stop, so bring binoculars if you're into that scene. Best time to visit is early morning when you'll have the whole place to yourself, plus the light is epic for photos. Free parking near the bridge if you're driving, and there's a decent café at the Clontarf end for post-walk coffee.