Partnering with you to build healthy leaders and strong team: Custom Corporate Workshops in a Beautiful, Restorative Environment. The Oaks Retreat Center is your place to rest, create, and celebrate. The 240 acre property located in the foothills of San Diego County boasts newly renovated lodging facilities, hiking trails, tennis courts, a three story water slide and pool, and plenty of space to gather for groups big and small. Attend an Oaks event or host your own!