St Davids Lifeboat Station, at St Justinian, has saved an estimated 360 people since the first lifeboat was located there in 1869; four lifeboatmen have died while saving others. The Irish Sea includes a large number of offshore rocks and islands and is notorious for strong tides. The entire coastline around St Davids forms part of the Pembrokeshire Coast National Park. Saint Non's Well overlooks the Pembrokeshire Coast Path and St Brides Bay. St David's Airfield, although named after the city when opened in 1943, is in the neighbouring community of Solva. The highest point is Carn Llidi at .