Sonas studied at Edinburgh College of Art between 1983 - 87 and graduated with a BA Hons in Drawing and Painting. She was Chairperson of the Fife Printmakers Workshop from 1993 - 95.She received the Elizabeth Greenshields Award in 1990 & 1995 and was commissioned by the Dunfermline District Arts Council to produce a Limited Edition Screenprint. Her work is held in Public Collections by: Highlands & Islands Enterprise, Dunfermline District Museum & Art Gallery and Inverness Museum & Art Gallery.

She has exhibited widely throughout Scotland and also in Japan and America. Her subjects are mainly landscapes and townscapes together with her ever popular paintings of harbours throughout Scotland
“I like my work to be a true memory of a place. Unconstrained by strict perspectives & photographic 'realism'. I like my images to look like what you think of when you remember a place not like what you see when you take a photograph of it.”