Some councillors say the money would be better spent on existing sporting facilities and housing, especially when a white water rafting centre is already planned for the area.
It would be located near the planned white water rafting facility in the city.
Dublin City Council says this would develop Custom House Quay into a hub for water based recreational activity.
The council will present the plan to councillors next week for their views.
Performance Report Offers Praise & Flags Areas Of Improvement for Wicklow County Council
Wicklow is strong on housing vacancy and online motor tax, but re-letting times and retrofits lag behind national picture, reports NOAC.
UPDATE: Three Car Collision Cleared from the N11 at Glen Of The Downs
The northbound lanes approaching Delgany have reopened.
Over 50 Free Events, Performances & Workshops For Wicklow Culture Night
Wicklow Culture Night 2026 Is Here!!!!
Penalty Points Drive Up Insurance Costs for 16,000 Wicklow Drivers
More than 12,500 Wicklow drivers have three points, 294 have 9 points, and 41 are on 12 points, the threshold for disqualification.
Irish Farming Could Face 'Cliff Edge' With One In Three Farmers Planning Exit
One in Three Farmers Plan to Leave Within Five Years, Survey Reveals
10:00am - 2:00pm
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Light rain
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Light rain
High: 19°C | Low: 15°C
Light rain
High: 18°C | Low: 14°C
Light rain
High: 19°C | Low: 15°C