Kaustik is a stoner metal band from Jundiaí, São Paulo, Brazil, with a history tracing back to 2000. The band released their album Hard Drugs in 2009 as an independent release, drawing on heavy riff-driven stoner rock and metal aesthetics. Their lineup has included Mark Nomad on vocals and guitar, Dirty Robbi on bass, and Richard Badguy on drums.

Lo Oscuro is a stoner metal band from Buenos Aires, Argentina whose debut album Terror was released on September 1, 2022 through Kvlt und Kaos Productions. The eight-track record features entirely Spanish-language songs exploring heavy, aggressive themes drawn from personal experience.

Los Antiguos is a Buenos Aires stoner metal band founded in late 2012 by Pato Larralde (vocalist of Sauron) alongside members of Avernal and Cruzdiablo, with lyrical themes centered on aliens and personal experience rather than the high fantasy of their other projects. They released the EP Simple in May 2013, followed by the debut album Madera Prohibida in May 2015 and the second album Oro para las naves in May 2019, the latter issued in a limited special edition packaged as a replica UFO. The band has been a regular presence at Buenos Aires festivals including Noiseground and Viaje de Agua.

Los Buscadores del Movimiento Perpetuo (The Seekers of Perpetual Motion) are a Buenos Aires stoner metal band formed in 2011 who blend dense, slow-tuned metal with the atmosphere of cult horror cinema. They released the album Una de Zombies in 2011, followed by Rendiran Culto a la Muerte in 2013 and Mil Días de Viaje in November 2014, and made their full catalog available for free download on Bandcamp. The band has been on hold since the mid-2010s.

Los Kuro are a Buenos Aires stoner metal trio whose sound incorporates heavy psych, post-doom, and sludge. Their debut Demo appeared in July 2013, followed by Volumen I (April 2014) — a conceptual record built around longer progressive jams — and subsequent releases including 1 ½ (2015), Silencio (2017), and IV (2018). The Volumen I lineup featured Manuel Ferreira on guitar, Mauro Cristy on bass, and Andrés Salaverri on drums.

Los Yithians are a doom and stoner metal trio from San Martín, Argentina, whose name references the Great Race of Yith from H.P. Lovecraft's fiction. Their debut album Pnakotus — seven tracks recorded live in October 2016 and mixed and mastered at 7 Cuchillos Records by Marcos Verón — was released in May 2017. The band's lineup on that record consisted of Edgar Sosa on guitar and vocals, Gastón Olaguibet on bass, and Alberto Adrián on drums.

Machocabrio is a stoner and hard rock band from Chillán, Chile who debuted with their album Altibajos in July 2015. The nine-track record blends stoner grooves, rock and roll energy, and Spanish-language songwriting in a style rooted in the heavy rock tradition.

Mad Chicken are a stoner/grunge metal quintet from Arcos, Minas Gerais, Brazil, formed in 2013, featuring Filipe Xavier on vocals, André Salviano on bass, Pedro Paim on drums, and Daniel Mudo and Carlos Macarrão on guitars. The band released their debut studio album Limestoner in 2017 and followed it with the EP Poultrygeist in September 2022 via Abraxas and Limestone Records, recorded entirely in an analog fashion in three days at ForestLab Studio in Paty do Alferes.

Mad Head Machine are a stoner/southern metal band from Joinville, Santa Catarina, Brazil, drawing on heavy metal, stoner rock, and Southern rock influences. Their 2018 release Snakes is a four-track record produced by Calamar Sounds in Florianópolis, featuring tracks such as "Stoner Head" and "Snake's Lair".