Blackrock Cottage Development Ltd operates a purpose-built shop at the end of the promenade.

Gardaí say the single-vehicle crash happened on Friday at around 8.30pm outside the former Spinnaker House Hotel.

The R336, near the Blackrock diving tower, remains closed, with diversions in place.

Thousands participated in 5km walks across 197 locations in Ireland and abroad, raising funds for Pieta, the suicide and self-harm prevention charity.