Serena Marcus, born on January 29, 1983, in Harrisburg, Pennsylvania, USA, is a former American pornographic actress and escort. She entered the adult film industry at the age of 18 in 2001 and remained active until 2018, accumulating over 60 credits across diverse genres including vaginal, anal, double penetration, facials, and lesbian scenes. Standing at 5 feet 3 inches (160 cm) tall and weighing 114 lbs (52 kg), her measurements are 34D-28-36, with enhanced breasts, blue eyes, and brown or blonde hair. She has a tongue piercing and distinctive tattoos: a rose with stem on her right shoulder, an iron cross in a black ribbon on her left shoulder, a design on her left shoulder blade, purple flowers on vines across her lower back extending between her buttocks, and an American flag on her inner left ankle.
Known professionally as Serena, Serena Sin, or Sienna, she collaborated with major studios like Hustler Video, Devil's Film, Naughty America, Reality Kings, and Pink Visual. Highlights include 'Barely Legal 18' (2001), 'My First Sex Teacher 97' (2005), and 'MILFs Like It Black 10' (2013). Beyond films, she ran her own escort agency and is active on X (Twitter) as @SerenaMarcus.