This is the primary coastal description and set of waypoints for the area between the entrance to Strangford Lough and Dublin Bay. The detailed coastal description may be used by those planning to come closer inshore or to approach one of the useful passage havens that are listed along the length of the route. The sequence of description is from north to south or coastal clockwise as follows:
- • Close east of Dundrum Bay
- • Close east of the entrance to Carlingford Lough
- • Close east of the Skerries
- • Inside Lambay
- • Close east of Ben of Howth
Why sail this route?
This is a coastal sequence for cruisers who want to stay in inshore waters to enjoy the coastal scenery, its calmer seas and drop into the many listed passage havens described along the way.Those intent upon making a fast passage will find the Bangor to Dublin
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What are the navigational notes?

The 70 miles of coast between Strangford Lough and Dublin Bay has comparatively few dangers when compared to other Irish coastal stretches. Rockabill, the Skerries and Lambay are the only deep water off-lying obstructions that require any consideration.
The complete course is 66.31 miles from the waypoint '1 mile south of the Strangford Light Float' to '¼ a mile east Dublin Bay buoy' tending in a south south westerly direction (reciprocal north north easterly).
1 mile south of the Strangford Light Float, 54° 17.550' N, 005° 28.680' W
The Strangford Lough Marker Light Float approach marker, LFl 10s, is situated a mile and a half to the southeast of Ballyquintin Point. It is on the bearing of 323.7° T of Angus Rock Lighthouse (2.9 miles with the entrance to Strangford Lough) used for entering The Narrows.
► Next waypoint: 6.63 miles, course ⇓ 233.54°T (reciprocal ⇑ 53.54°T)
1 mile east of St John’s Point Light, 54° 13.605' N, 005° 37.800' W
The prominent 40-metre high Saint John’s Point Lighthouse, Q(2) 7.5s (Red. Vis.), stands on the southeast side of Saint John’s Point, a low promontory that makes up the east entrance point of Dundrum Bay.
► Next waypoint: 18.73 miles, course ⇓ 225.07°T (reciprocal ⇑ 45.07°T)
1 mile east of Hellyhunter South Cardinal, 54° 0.351' N, 006° 0.350' W
Hellyhunter South Cardinal Q (6) + LFl 15s moored about 1.5 miles southeast of Cranfield Point at the entrance to Carlingford Lough. It marks Hellyhunter Rock, with 1.5 metres of water, located 1.2 miles east by south from the point.
► Next waypoint: 25.28 miles, course ⇓ 184.16°T (reciprocal ⇑ 4.16°T)
½ a mile east of The Skerries' St. Patrick’s Island, 53° 35.150' N, 006° 3.440' W
St. Patrick’s, the outermost island of The Skerries group, is distinguished by the ruins of a church on its southwest end.
► Next waypoint: 5.80 miles, course ⇓ 181.88°T (reciprocal ⇑ 1.88°T)









Carlingford Lough as seen from the northwest end of the Lough above Warrenpoint
Carlingford Marina on the southern shore of Carlingford Lough
Haulbowline Lighthouse at the entrance to Carlingford Lough
The channel into Carlingford Lough within Haulbowline Lighthouse
Hellyhunter South Cardinal
Giles Quay with Cooley Point in the backdrop
Carlingford Mountains as seen over Annagassan pierhead
Giles Quay and the mountains of the Cooley Peninsula
The Castletown River leading out to Dundalk Bay
George's Quay, Dundalk at low water
Dundalk Pile Light
Dunany Point ass seen from the south
Port Oriel (Clogher Head)
The River Boyne entrance as seen from the south
Fiddle Case Pier as seen between the ships above the Boyne Viaduct
Visiting yacht alongside Fiddle Case Pier
Balbriggan Martello Tower with Breymore Point in the backdrop and Cardy Rocks (top right)
Cardy Rocks as seen from Braymore Point
Balbriggan's Light Tower at the seaward end of the pier makes an unmistakable
The small pretty Balbriggan Light tower
Skerries Harbour area and the islands
Skerries Harbour at high water
Rockabill Lighthouse
Historical survey shot clearly showing Rockabill's two granite rocks
Rush Harbour at low water
Rockabill Lighthouse as seen over the head of the pier at Rush
Yacht moorings in the Rogerstown Inlet
Lambay Island as seen from the south
The rocky 55 metre high Nose of Lambay
The Boat Harbour Lambay Island
Tailor’s Rocks North Cardinal Buoy
Burren Rocks perch set on a reef extending off of the western extremity of
Burren Rocks perch
Saltpan Bay on the north side of Lambay Island
The coastal area between Lambay and the Ben of Howth with the Rogerstown and
Ben Of Howth to Malahide
Yacht approaching Malahide Marina
Ireland's Eye close north of Howth Harbour
Sea stacks of Ireland's Eye
Carrigeen Bay, Ireland's Eye
Howth Harbour
The view out through Howth Harbour's entrance towards Ireland's Eye
Balscadden Bay as seen from the southeast
Ben Of Howth as seen from the south
Ben Of Howth as seen from the north with Dublin Bay in the backdrop
The Baily leading out to the Baily Lighthouse
Port of Dublin and Dublin Bay
River Liffey, guided by long walls, leading to the port of Dublin and city
Port of Dublin as seen from the south