Both brothers, who pleaded guilty in January, were charged in 2014 with tax offenses related to almost $9 million (£6.8m) in income. Mike Sorrentino pleaded guilty to tax evasion and concealing income in January.
Sorrentino showed up at New Jersey federal court on Friday with his fiancée Lauren Pesce.
A lawyer for the 36-year-old gym rat begged the judge for probation, insisting the he's cleaned up his act, but prosecutors wanted 15 months.
The "Jersey Shore" star pleaded guilty earlier this year to tax evasion.
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Jersey Shore Members from L-R JWoww, Ronnie, Dena, Snooki and Pauly D talk with Mike Sorrentino at federal court in Newark, N.J., were Sorrentino is to be sentenced for tax evasion, October 5, 2018.
According to a federal indictment, Michael Sorrentino aggressively cashed in on his fame from "The Jersey Shore", which debuted on MTV in 2009.
"Tax crimes, plain and simple, are an outright theft from the hardworking American public", said John Tafur of IRS Criminal Investigation.
Michael Sorrentino apologized to the court during brief remarks and said he has overcome substance abuse.
We can only hope there will be at least one Jersey Shore Family Prison Visit.