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

Gift Shop Update

Gift Shop Update

Our monastery gift shop has been very busy these past couple of months! Although the physical shop has been slow due to Covid restrictions, we have...

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Profession of Vows

Profession of Vows

On Pentecost Sunday, May 31, 2020, we witnessed the Professions of two of our Brothers, Slaves of the Immaculate Heart of Mary. Brother Gerard (24),...

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Honoring Mary Our Mother

Honoring Mary Our Mother

This May, ten of our Sisters were honored to perform a tribute to Mary at Saint Boniface Church, here in the Worcester Diocese. We are happy to be...

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April 2020 Newsletter

April 2020 Newsletter

The latest "From the Center" Newsletter has been printed and mailed from Mancipia Press! Despite the strange time we are living in, good things are...

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IHM Expansion Progress

IHM Expansion Progress

Slowly but surely, progress is being made on our IHM School Expansion project! Check out the latest video made by the Brothers MICM to enjoy some...

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Christ is Risen!

Christ is Risen!

Christus resurrexit! Resurrexit vere! Alleluia! "O Death, where is your sting? O Hell, where is your victory? Christ is risen, and you are...

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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