Howth Harbour Bird Watching Howth Harbour Howth Harbour has walkways along the top of the piers. This allows you to see both the inner and outer harbour. Seals are common in the area and Terns can be seen feeding in summer. Guillemot2L8A0075StarlingJuvenile Herring GullRock PippitHowth LighthouseIreland's EyeHowth HarbourHerring GullHooded CrowHungry SealGreat Black Backed GullGuillemotPurple SandpiperSnow Bunting