Lexie Palin, Brooke Welsh, Helena Tobbe and Ella Gibson guided Illawarra South Coast, coached by Shoalhaven Heads' Kyah Gray, to victory at the Hockey NSW Under 18 Girls Indoor State Championships.

Palin, Welsh, Tobbe and Gibson's dominance at the tournament dates back to their under 13s days in 2014.

They were then part of the victorious under 15s side in 2015 and 2016, and part of the winning under 18s outfit over the past three years.

However, the good friends came within 60 seconds of being denied a shot at their sixth title in 2019. The team was heading to Goulburn on Friday, but a bushfire near Marulan meant the Hume Highway was blocked off for several hours.

"We only had three girls and a goalkeeper there initially. If you forfeit one game, you finish last in your pool," team manager Katrina Welsh said.

"It was only through some creative driving by the parents that we ended up getting our team there with one minute to spare."

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Despite the less than ideal preparation, Illawarra South Coast, also featuring Gerringong's Neive Campbell, wasted no time stamping its authority on the field.

The side opened its account with a 7-1 win over Northern Sydney Beaches and an 8-nil victory against Sydney.

The good form continued on Saturday with the side sealing 8-2 and 3-nil wins over North West Sydney and Orange respectively.

They then thrashed Goulburn 6-nil in Sunday's semi-final before defeating Metro South West 2-1 in the final.

Welsh said the key to Illawarra South Coast's success was having an unselfish, team orientated attitude.

"Most of the girls have been there for the six years, but Lexie, Brooke, Helena and Ella have been the only ones to go all the way through," she said.

"A number of the players have been in the state team, indoor and outdoor. They're lethal in attack and extremely solid in defence."

The week prior to the girls' tournament at Goulburn, the under 18s boys titles were held and Culburra Beach's Sam Wright-Smith and Callala's Scott Crisafi helped their ISC team finish second - losing the final 4-1 to Hockey New England.