She apprenticed at a young age with a well-known regional landscape painter and studied with him until she left to study art in Pretoria city. After graduating with a B.F.A, Honours from the University of South Africa, she emigrated to the United States. Her work has since been included in solo and group exhibitions internationally.
Marais has held residencies in Japan, the Mino Art Residency; the Seoul Art Space Geumcheon Residency in Korea; Kronstadt Art Residency in St. Petersburg, Russia, the Arteles Art Residency, Finland, Ucross Art Residency, the Vermont Studio Center and the Sedona Summer Colony in the States.
She has been selected and participated in various, esteemed programs such as the Enrique Martinez Celaya Summer Workshop (in affiliation with the Anderson Ranch Art Center). She is also the recipient of the South Florida Cultural Consortium Fellowship 2014, Florida Division of Cultural Affairs Individual Artist Fellowship 2010, the Anne Mckee Grant 2011 & 2013 and the 2009 People’s Choice Award from Sculpture Key West which was curated by Shamim M Momin in 2009 and by Mary Ceruti in 2008. She participated in collaborations that were awarded the MOCA Miami Optic Nerve 2012’s best short and selected for the Short Corner Film Festival at Cannes. Her work is included in numerous private collections and Museum collections like MOCA(Miami), Kronstadt History Museum(Russia), Akari Museum(Japan). She currently works and lives in Miami, Florida.