diff --git a/main.tf b/main.tf
index 92ae1c1..779524e 100644
--- a/main.tf
+++ b/main.tf
@@ -220,6 +220,7 @@ module "wandb" {
         bucket = {
           provider = "gcs"
           name     = local.bucket
+          subpath  = var.subpath
         }
 
         mysql = {
diff --git a/variables.tf b/variables.tf
index fb5c05c..e06a706 100644
--- a/variables.tf
+++ b/variables.tf
@@ -198,6 +198,18 @@ variable "bucket_name" {
   default     = ""
 }
 
+##########################################
+# Bucket Subpath                         #
+##########################################
+# Most users will not need this setting. It is meant for users who want to store
+# all of their instance-level bucket's data at a specific subpath. It can be set both for
+# external buckets or the bucket created by this module.
+variable "subpath" {
+  description = "subpath of where to store data for the instance-level bucket"
+  type        = string
+  default     = ""
+}
+
 ##########################################
 # K8s                                    #
 ##########################################