How do you find a certified sandplay therapist?

Sandplay therapy has a specific certification structure that distinguishes it from the broader world of sandtray practice, and understanding that distinction is the first step toward finding the right practitioner.

The field divides, meaningfully, between sandplay therapy and sandtray therapy. Both descend from Margaret Lowenfeld's World Technique, but sandplay therapy — the classical form founded by Dora Kalff in 1956 — carries a specific theoretical grounding in Jungian depth psychology and a nondirective, noninterpretive protocol that creates what Kalff called "a free and protected space" for the psyche's self-regulating capacities to operate. Sandtray therapy is a broader category encompassing directive, interpretive, and cognitively oriented approaches. If you are drawn to the depth-psychological tradition — to working with unconscious material, symbol, and the individuation process — you want a practitioner certified specifically in sandplay, not simply someone who owns a tray and a collection of miniatures.

The primary certifying body in the United States is the Sandplay Therapists of America (STA). Their website maintains a directory of certified practitioners and provides the standards for what certification requires — typically extensive personal sandplay experience, supervised clinical hours, and theoretical training in Jungian psychology. Internationally, the International Society for Sandplay Therapy (ISST) holds the same function and certifies practitioners across Europe, Asia, and Latin America. Japan, Korea, and China have particularly large professional societies in this field; Roesler (2019) notes that these Asian organizations are among the largest psychotherapy societies worldwide, reflecting sandplay's deep cross-cultural reach.

When evaluating a potential therapist, a few questions are worth asking directly:

  • Are you certified through STA or ISST, or a recognized affiliate society?
  • What is your theoretical orientation — Jungian, integrative, or directive?
  • Do you work nondirectively, or do you use interpretation and directives during sessions?
  • Have you undergone your own personal sandplay process as part of training?

That last question matters more than it might seem. The classical Kalffian tradition holds that the therapist's capacity to hold the "free and protected space" — to be genuinely present without judgment or interpretive intrusion — depends on having inhabited that space themselves. A therapist who has only studied the method academically is working from a different position than one who has sat at the tray.

The research base now supports what practitioners have long observed clinically. A 2022 meta-analysis by Wiersma and colleagues, drawing on 40 studies across eight countries and 1,284 participants, found an overall effect size of Hedges' g = 1.10 — a large effect, comparable to other psychodynamic therapies and somewhat larger than mindfulness-based interventions. The method showed consistent effectiveness across internalizing symptoms, externalizing symptoms, and ADHD presentations, which the authors attribute in part to sandplay's multisensory, less-verbal, and actively experiential character.

Sandplay appears to lower the threshold for the initiation of psychotherapy and provides people that have barriers to verbal expression with a safe, direct, and contained means to access and work through difficulties.

This is worth holding when you are searching: sandplay is particularly well-suited to those who find talk therapy frustrating, who carry preverbal or somatic material that resists verbal articulation, or who are working with trauma that conventional approaches have not reached. If that describes your situation, the specificity of the certification matters — you want someone trained to hold the space, not to direct it.

  • Dora Kalff — portrait of the Swiss analyst who founded sandplay therapy in the Jungian tradition
  • Individuation — Jung's term for the movement toward wholeness that sandplay is designed to support
  • The unconscious — the depth-psychological concept underlying sandplay's nondirective approach
  • Find a Jungian analyst — curated directory of depth-oriented practitioners, including those trained in sandplay

Sources Cited

  • Wiersma, Jacquelyn K., Freedle, Lorraine R., McRoberts, Rachel, and Solberg, Kenneth B., 2022, A Meta-Analysis of Sandplay Therapy Treatment Outcomes
  • Roesler, Christian, 2019, Sandplay therapy: An overview of theory, applications and evidence base