Lord Mayor Marks Her Role as Honorary Admiral of Dublin Port by Casting a Spear, Continuing a Tradition Since 1488

7th March 2025

Afloat.ie Team

Lord Mayor of Dublin Emma Blain casts a spear to become the ceremonial Lord Admiral of Dublin Port, alongside Barry O’Connell, Dublin Port Chief Executive. Credit: Robbie Reynolds

Lord Mayor of Dublin Emma Blain performed the annual ‘Casting of the Spear’ into Dublin Bay to become the ceremonial Lord Admiral of Dublin Port, alongside Barry O’Connell, Dublin Port Chief Executive.

The tradition dates to 1488 when Lord Mayor Thomas Mayler vaulted a spear into the sea to mark Dublin’s boundary to the east.

Lord Mayor of Dublin Emma Blain and Barry O’Connell, Dublin Port Chief Executive, pictured together at the Poolbeg Yacht and Boat Club on the River Liffey before embarking on the traditional “Casting of the Spear”. Photo: Robbie Reynolds

More than half a millennium later, the face of Dublin Port has changed considerably. Today, it carries nearly two-thirds of all port traffic on the island of Ireland. Beneath all this activity lie the marks of Thomas Mayler cast out when Ireland’s trading relationship with the rest of the world was still in relative infancy.

To commemorate this event, Lord Mayor of Dublin cast a spear of her own into Dublin Bay, her first official act as Honorary Admiral of the Port.

Modern times have seen successive Lord Mayors take to the water at Dublin Port to earn their honorary title, which they retain for their period in office.

Published in Dublin Bay, Poolbeg Yacht and Boat Club, River Liffey, Dublin Port

Published in Dublin Bay

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Dublin Port

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Dublin Bay

Dublin Bay on the east coast of Ireland stretches over seven kilometres, from Howth Head on its northern tip to Dalkey Island in the south. It's a place most Dubliners simply take for granted, and one of the capital's least visited places. But there's more going on out there than you'd imagine.

The biggest boating centre is at Dun Laoghaire Harbour on the Bay's south shore that is home to over 1,500 pleasure craft, four waterfront yacht clubs and Ireland's largest marina.

The bay is rather shallow with many sandbanks and rocky outcrops, and was notorious in the past for shipwrecks, especially when the wind was from the east. Until modern times, many ships and their passengers were lost along the treacherous coastline from Howth to Dun Laoghaire, less than a kilometre from shore.

The Bay is a C-shaped inlet of the Irish Sea and is about 10 kilometres wide along its north-south base, and 7 km in length to its apex at the centre of the city of Dublin; stretching from Howth Head in the north to Dalkey Point in the south. North Bull Island is situated in the northwest part of the bay, where one of two major inshore sandbanks lie, and features a 5 km long sandy beach, Dollymount Strand, fronting an internationally recognised wildfowl reserve. Many of the rivers of Dublin reach the Irish Sea at Dublin Bay: the River Liffey, with the River Dodder flow received less than 1 km inland, River Tolka, and various smaller rivers and streams.

Dublin Bay FAQs

What beaches are there on Dublin Bay?

There are approximately ten beaches and bathing spots around Dublin Bay: Dollymount Strand; Forty Foot Bathing Place; Half Moon bathing spot; Merrion Strand; Bull Wall; Sandycove Beach; Sandymount Strand; Seapoint; Shelley Banks; Sutton, Burrow Beach

Where are the public slipways to launch a boat on Dublin Bay?

There are slipways on the north side of Dublin Bay at Clontarf, Sutton and on the southside at Dun Laoghaire Harbour, and in Dalkey at Coliemore and Bulloch Harbours.

Who is in charge of Dublin Bay?

Dublin Bay is administered by a number of Government Departments, three local authorities and several statutory agencies. Dublin Port Company is in charge of navigation on the Bay.

How big is Dublin Bay?

Dublin Bay is approximately 70 sq kilometres or 7,000 hectares. The Bay is about 10 kilometres wide along its north-south base, and seven km in length east-west to its peak at the centre of the city of Dublin; stretching from Howth Head in the north to Dalkey Point in the south.

What piers or harbours are there on Dublin Bay?

Dun Laoghaire Harbour on the southside of the Bay has an East and West Pier, each one kilometre long; this is one of the largest human-made harbours in the world. There also piers or walls at the entrance to the River Liffey at Dublin city known as the Great North and South Walls. Other harbours on the Bay include Bulloch Harbour and Coliemore Harbours both at Dalkey.

Are there marinas on Dublin Bay?

There are two marinas on Dublin Bay. Ireland's largest marina with over 800 berths is on the southern shore at Dun Laoghaire Harbour. The other is at Poolbeg Yacht and Boat Club on the River Liffey close to Dublin City.

What ferries operate on Dublin Bay?

Car and passenger Ferries operate from Dublin Port to the UK, Isle of Man and France. A passenger ferry operates from Dun Laoghaire Harbour to Howth as well as providing tourist voyages around the bay.

Are there Islands on Dublin Bay?

Dublin Bay has two Islands. Bull Island at Clontarf and Dalkey Island on the southern shore of the Bay.

What is the river that flows into Dublin Bay?

The River Liffey flows through Dublin city and into the Bay. Its tributaries include the River Dodder, the River Poddle and the River Camac.

What are the popular kitesurfing spots on Dublin Bay?

Dollymount, Burrow and Seapoint beaches

How many pleasure craft are there on Dublin Bay?

Approximately 1,500 boats from small dinghies to motorboats to ocean-going yachts. The vast majority, over 1,000, are moored at Dun Laoghaire Harbour which is Ireland's boating capital.

Is Dublin Bay a UNESCO Biosphere?

In 1981, UNESCO recognised the importance of Dublin Bay by designating North Bull Island as a Biosphere because of its rare and internationally important habitats and species of wildlife. To support sustainable development, UNESCO’s concept of a Biosphere has evolved to include not just areas of ecological value but also the areas around them and the communities that live and work within these areas. There have since been additional international and national designations, covering much of Dublin Bay, to ensure the protection of its water quality and biodiversity. To fulfil these broader management aims for the ecosystem, the Biosphere was expanded in 2015. The Biosphere now covers Dublin Bay, reflecting its significant environmental, economic, cultural and tourism importance, and extends to over 300km² to include the bay, the shore and nearby residential areas.

What yacht clubs are on Dublin Bay?

On the Southside at Dun Laoghaire, there is the National Yacht Club, Royal St. George Yacht Club, Royal Irish Yacht Club and Dun Laoghaire Motor Yacht Club as well as Dublin Bay Sailing Club. In the city centre, there is Poolbeg Yacht and Boat Club. On the Northside of Dublin, there is Clontarf Yacht and Boat Club and Sutton Dinghy Club. While not on Dublin Bay, Howth Yacht Club is the major north Dublin Sailing centre.

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