Shoreline Mafia has been played on NTS over 50 times, featured on 51 episodes and was first played on 8 November 2017.

Shoreline Mafia are an American rap group from Los Angeles, California, founded in 2016 by OhGeesy, Fenix Flexin, Rob Vicious, and Master Kato. They released their debut mixtape ShorelineDoThatShit in November 2017. It was later rereleased under Atlantic Records when they signed to the label in May 2018. Fenix Flexin left the group in early 2020, and it was disbanded later that year after the release of their debut album Mafia Bidness.

After 4 years of the group's disbandment, OhGeesy and Fenix Flexin reunited and released the song "Heat Stick" in May 2024. The next year, they released the album Back in Bidness.