Pastoral Solutions Institute - an excellent resource for books, materials, counseling services, and more for enriching your marriage and strengthening the family.
World Wide Marriage Encounter - Turn your good marriage into a GREAT marriage through a World Wide Marriage Encounter Weekend.
Retrouvaille - When your Marriage is hurting. A program to Help Couples Heal and Renew their Marriage.
Fireproof My Marriage - Your source for great marriage resources and more. Excellent movie, makes for a great movie night rental, and even better purchase for your video collection.