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!

Brothers MICM group

The Brothers

The Brothers, Slaves of the Immaculate Heart of Mary  live a life of Total Consecration to Jesus through Mary

Confirmations at Immaculate Heart of Mary Chapel

The Chapel

Immaculate Heart of Mary Chapel is blessed to have the Latin Tridentine Mass daily and is open to the public.

Sisters MICM group

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

Expansion: Contractor Interview

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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November 2020 Newsletter

November 2020 Newsletter

The Brothers MICM have just finished printing and mailing out the November 2020 version of "From the Center Newsletter!" If you haven't (signed up...

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2021 Calendar of Saints!

2021 Calendar of Saints!

The 2021 Traditional Calendar of Saints is hitting the press here at Saint Benedict Center! This year the calendar features beautiful artistic...

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Expansion Project Picks Up Pace!

Expansion Project Picks Up Pace!

The Brothers have been making up for lost time on the IHM School Expansion Project throughout September and October! The skeletal structure of the...

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Remember the Holy Souls

Remember the Holy Souls

“If it were but known how great is the power of the good souls in Purgatory with the Heart of God, and if we knew all the graces we can obtain...

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IHM Bazaar 2020 ~ Success!

IHM Bazaar 2020 ~ Success!

Thanks to the pie-makers, the yardsale pricers, the food booth chefs and all those who helped in so many ways, the IHM Bazaar was a success once...

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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

Saint Benedict Center
$79.95

Sterling Silver
True Devotion Bracelet

The Chains of Holy Slavery to Jesus through Mary for souls that have made their Total Consecration! 

$44.95

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