... is a Jesuit ministry to those in their 20s and 30s. Go here: http://ignatianspirituality.com/
San Damiano Retreat House
... offers two one-day retreats and one weekend retreat each year for Young Adults: http://sandamiano.org/retreats-programs
No time to "go away" for the weekend for a retreat? Click on the link above for a series of online retreats for adults and young adults.