Off-screen Arena had decided to leave the show and Marco last appeared on-screen in the episode dated 18 November 1992.
"[4] Alex Cramb from Inside Soap detailed how as Elspeth Ballantyne had been cast as Cathy Alessi, the head of the show's "hottest new family".
But Marco secures a job as a waiter there and Arena told an Inside Soap writer that a majority of his scenes occurred on that particular set.
[7] Marco develops feelings for Beth Brennan (Natalie Imbruglia) following an "instant attraction" and a "stolen kiss".
[7] Monroe said that Marco's "family ties were tested to the limit" when he learns that Christina's husband Paul (Stefan Dennis), has kissed Caroline.
[9] Marco and Rick notice Cathy becoming broody around Phoebe Bright (Simone Robertson) and she decides that she wants another child.
[10] Arena told Josephine Monroe from Inside Soap that her confession hurts Marco the most because he always believed himself to be Cathy's oldest child.
He told Mark McGowan from TV Week that "I sat down with the producers and the writers and it was decided the storylines weren't going to go on.
[12] "Neighbours: The First 10 Years" author Josephine Monroe detailed how Marco's "Italian hotheadedness" would get him into trouble where money was concerned.
[13] Marco's exit storyline saw him traveling to London with Rick and Debbie Martin (Marnie Reece-Wilmore) to watch Michael Jackson on tour.
[13][14] Arena later told Heather Gallagher from The Age that "he ran the coffee shop and he was on for an entire year and he was a good guy until they turned him into a gangster.
[16] Marco first appears when he is mistaken for a burglar at Number 32 Ramsay Street by Faye Hudson (Lorraine Bayly).
After settling in with the family at Number 22, Marco helps out in the coffee shop and befriends several of the locals including Brad Willis (Scott Michaelson), Lucy Robinson (Melissa Bell) and Beth Brennan.
Rick, Marco's teenage brother, arrives in Ramsay Street after being expelled from boarding school and asks him for a job.
The brothers later move in with Cameron Hudson (Benjamin Grant Mitchell) at Number 32 in order to give Paul and Christina some space to reconcile.
Marco finds himself indebted to loan sharks who make threats against him and his family including phone calls and vandalising the house.
The BBC said Marco's most notable moment was "Finding his long lost sister who was adopted out by his parents before he was born."
[17] Author Josephine Monroe said "it didn't take much brain power to guess that beautiful Caroline and Christina Alessi came from good looking stock, but when their cousins Marco and Rick arrived in Ramsay Street the viewers went wild for their hunky Italian looks.
"[7] Jason Herbison of the same publication branded him a "lovable Coffee Shop assistant", and said that Marco "had us laughing and crying with his hare-brained schemes.