With her last bowl, Stone, in her characteristically calm fashion, dragged the kitty back for two shots and a 7-6 win.
It was the 17th centre title for Stone and 22nd for Treloar, and the seventh Ladies’ Pairs they have won together.
Poverty Bay East Coast indoor bowls Men's Pairs champions Warren Gibb and Sean Haskins.
In the men’s semi-finals, Gibb and Haskins beat Dylan Foster and Mike Foster 6-2, while Doc Tipene and David Lynn came from 8-0 down to tip Malcolm Trowell and Jason Trowill 10-8.
The final started as a tense affair, with Gibb and Haskins leading 5-4 after six ends before gaining momentum and going on to win 9-4.
It was the 24th centre title for Warren Gibb and fifth for 16-year-old Haskins.
The Poverty Bay East Coast representative team are travelling to Bay of Plenty this weekend for the Hone Trophy in Tauranga and the Bill Moore Trophy in Whakatāne.
The team are Warren Gibb, David Lynn, Lois Lamont, Marise Raklander, Malcolm Trowell, Sean Haskins, Zoe Trowell, Jaykwan Casey, Keith Setter, Jay Casey, Quaylahn Casey, Sophie Haskins, Doc Tipene, Pauline Stone, Coralie Campbell-Whitehead, Nanette Treloar, Bruce Gledhill and manager Kaye Easton.