Traditional Catholic Life of
Prayer &
Work
Traditional Religious Life & Education
Since 1976
Welcome to the Monastery!
You have arrived at the monastery of the Slaves of the Immaculate Heart of Mary of Saint Benedict Center in Still River, Massachusetts. The 100 acre complex of the Center serves as the base for the various evangelizing apostolates of the communities of Brothers MICM and Sisters MICM in the spirit of Saint Louis Marie de Montfort’s Total Consecration to Jesus through Mary. Enjoy your visit!
The Brothers
The Brothers, Slaves of the Immaculate Heart of Mary live a life of Total Consecration to Jesus through Mary
The Chapel
Immaculate Heart of Mary Chapel is blessed to have the Latin Tridentine Mass daily and is open to the public.
The Sisters
The Sisters, Slaves of the Immaculate Heart of Mary live a traditional active religious life of Total Consecration to Mary.
Living Tradition
Immaculate Heart of Mary Chapel was built by the Brothers in 1976 and has been blessed to have the Latin Tridentine Mass offered daily on its altar.
The monastery chapel is open to the public.
News & Events
Bold Catholic Scarves!
It's still wintry cold here in Still River… so it's the perfect time to announce a few new products in our monastery shop that will help keep you...
Merry Christmas
With this slide show and Music of Innocents, we wish you a Blessed and Merry Christmas. You and your intentions are being remembered in a special...
Sisters’ Wish List
'Tis the season to make a wish list… and that is just what the Sisters have done! A giant THANK YOU to the generous donors who filled our wishlist!...
Giving Tuesday 2020
Sister Magdalene Marie, Sister Maria Faustina, and Sister Mary Jacinta are excited to give you an update of what has taken place on the school...
New! Grace-ful Scarves!
Introducing new limited edition scarves designed by the Sisters! These two beautiful additions to any wardrobe are real conversation starters,...
Expansion: Contractor Interview
Even in these troubling times, when many Catholic schools are closing their doors, Immaculate Heart of Mary School—here in Still River, MA—is...
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Living Devotion
We are dedicated to living and promoting Total Consecration to Jesus through Mary as written in Saint Louis Marie de Montfort’s classic work: True Devotion to Mary.
Our True Devotionals gift shop helps you….
Live Your Consecration

Sterling Silver
True Devotion Bracelet
The Chains of Holy Slavery to Jesus through Mary for souls that have made their Total Consecration!
Sterling Silver
Ave Maria Pendant
A delicate piece of sterling silver jewelry that any Catholic woman devoted to Mary will love to wear!
$54.95
Sterling Silver
True Devotion Rings
Shop our exclusive True Devotion Rings for men and women! Designed by the Sisters and made of sterling silver.

Saint benedict center
Authentically Catholic
“We never give more honor to Jesus than when we honor his Mother…” ~Saint Louis Marie de Montfort