Maria Antoniw has been involved in fundraisers for the "Dzerelo" orphanage (Lviv), the YWCA women's shelter (Toronto), «Приятелі Збройних Сил України», and Postcards for Prisoners. She has volunteered for the Invictus games "Army: Re-Birth Exhibition" (Toronto). Maria started an art club for children and youth with disabilities and helps Ukrainians affected by war to settle in the Cambridge area. She organizes plein air painting sessions to help orient the newcomers, and donates her own artwork to many fundraisers in Canada.