diff --git a/internal/services/cosmos/cosmosdb_cassandra_datacenter_resource.go b/internal/services/cosmos/cosmosdb_cassandra_datacenter_resource.go
index 2eeacd8682b5..829a90858194 100644
--- a/internal/services/cosmos/cosmosdb_cassandra_datacenter_resource.go
+++ b/internal/services/cosmos/cosmosdb_cassandra_datacenter_resource.go
@@ -109,6 +109,14 @@ func resourceCassandraDatacenter() *pluginsdk.Resource {
 				Optional: true,
 				Default:  true,
 			},
+
+			"seed_node_ip_addresses": {
+				Type:     pluginsdk.TypeList,
+				Computed: true,
+				Elem: &pluginsdk.Schema{
+					Type: pluginsdk.TypeString,
+				},
+			},
 		},
 	}
 
@@ -226,6 +234,10 @@ func resourceCassandraDatacenterRead(d *pluginsdk.ResourceData, meta interface{}
 			d.Set("disk_sku", props.DiskSku)
 			d.Set("sku_name", props.Sku)
 			d.Set("availability_zones_enabled", props.AvailabilityZone)
+
+			if err := d.Set("seed_node_ip_addresses", flattenCassandraDatacenterSeedNodes(props.SeedNodes)); err != nil {
+				return fmt.Errorf("setting `seed_node_ip_addresses`: %+v", err)
+			}
 		}
 	}
 	return nil
@@ -319,3 +331,18 @@ func cassandraDatacenterStateRefreshFunc(ctx context.Context, client *managedcas
 		return nil, "", fmt.Errorf("unable to read provisioning state")
 	}
 }
+
+func flattenCassandraDatacenterSeedNodes(input *[]managedcassandras.SeedNode) []interface{} {
+	results := make([]interface{}, 0)
+	if input == nil {
+		return results
+	}
+
+	for _, item := range *input {
+		if item.IPAddress != nil {
+			results = append(results, item.IPAddress)
+		}
+	}
+
+	return results
+}
diff --git a/internal/services/cosmos/cosmosdb_cassandra_datacenter_resource_test.go b/internal/services/cosmos/cosmosdb_cassandra_datacenter_resource_test.go
index c23b0597b5e9..124caa4c6e4e 100644
--- a/internal/services/cosmos/cosmosdb_cassandra_datacenter_resource_test.go
+++ b/internal/services/cosmos/cosmosdb_cassandra_datacenter_resource_test.go
@@ -29,6 +29,7 @@ func testAccCassandraDatacenter_basic(t *testing.T) {
 			Check: acceptance.ComposeAggregateTestCheckFunc(
 				check.That(data.ResourceName).ExistsInAzure(r),
 				check.That(data.ResourceName).Key("sku_name").IsNotEmpty(),
+				check.That(data.ResourceName).Key("seed_node_ip_addresses.#").HasValue("3"),
 			),
 		},
 		data.ImportStep(),
diff --git a/website/docs/r/cosmosdb_cassandra_datacenter.html.markdown b/website/docs/r/cosmosdb_cassandra_datacenter.html.markdown
index e2549b332d90..a57504a87056 100644
--- a/website/docs/r/cosmosdb_cassandra_datacenter.html.markdown
+++ b/website/docs/r/cosmosdb_cassandra_datacenter.html.markdown
@@ -112,6 +112,8 @@ In addition to the Arguments listed above - the following Attributes are exporte
 
 * `id` - The ID of the Cassandra Datacenter.
 
+* `seed_node_ip_addresses` - A list of IP Address for the seed nodes in this Cassandra Datacenter. 
+
 ## Timeouts
 
 The `timeouts` block allows you to specify [timeouts](https://www.terraform.io/language/resources/syntax#operation-timeouts) for certain actions: