Following a light–air Cruisers Three East Coast Championships DBSC feeder race from Dun Laoghaire to Greystones on Saturday, the second two races of the 2017 Championship were held on Sunday in 20–knots of wind as part of the Greystones Harbour Regatta. 

IRC
1st Quest (Barry Cunningham)
2nd Cartoon (Ken Lawless and Syb McCormack)
3rd Hard on Port (Flor O'Driscoll)

ECHO
1st Quest (Barry Cunningham)
2nd Cartoon (Ken Lawless and Syb McCormack)
3rd Running Wild (Brendan Foley)

Winner of the team prize and Rianoir Trophy: Quest, Cartoon and Enigma from the Royal Irish Yacht Club