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.

All public Masses have been suspended per Bishop McManus until further notice.
Please pray for an end to the Coronavirus.

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

Saint Josephine Bakhita Issue

Saint Josephine Bakhita Issue

​Mancipia Press just sent out the most recent issue of "From the Housetops Magazine" which is researched, written, published and printed right here on the monastery grounds! This issue features the tremendous story of Saint Josephine Bakhita ~ Flower of the African...

Sister Pia-Marie, Novice

Sister Pia-Marie, Novice

Lent 2020 has been an unusual time for everyone in the Church and in the world! The unprecedented situation created by the coronavirus crisis has touched all of our lives. But Holy Mother Church always remains close to her children. She urges them to keep their eyes...

Morning Star Indiana

Morning Star Indiana

Two sisters brought the spirit of Morning Star Camp to Sacred Heart Parish in Fort Wayne, Indiana, earlier this month! Many of the campers had attended last year and dove right into the packed program of prayer and activities. From Rosary and Religion class to Arts...

Mission to Florida

Mission to Florida

During our school’s February Break, Br. Anthony Marie, Br. Christopher Isaac, and Br. Martin took a trip to Florida to spend the week with the students and families of Ave Maria. Thanks to preparations made by a couple of the mothers close to the school, the Brothers...

Morning Star Louisiana

Morning Star Louisiana

Four Sisters followed the Morning Star to the bayous of Louisiana for a southern-style Morning Star Camp again this year! A vivacious group of 61 campers and 8 counselors brought the trustworthy program to life during the 4-day program held at the Camp Abbey facility...

February 2020 Newsletter

February 2020 Newsletter

The February 2020 "From the Center" Newsletter is being mailed out as soon as possible, but you can read it first here online! Stay up to date on the School Expansion Project for IHM School! It has been exciting to watch the progress… and we are anxious for the day...

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

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!


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