Frimley is just 25kms from Frogmore Cottage and the hospital gained a strong royal connection when Sophie was rushed there in an emergency to have her daughter Lady Louise Windsor in 2003.
The couple are also reportedly considering a home birth.
Frogmore Cottage is not only privately located, but also features a spare room set for Meghan's mother, Doria Ragland, when she visits.
Both options are steering from royal tradition, as the couple will opt out of posing with their new baby on the steps of St. Mary's Hospital in London.
A Kensington Palace spokeswoman declined to comment.
This article originally appeared on marie claire.