diff --git a/src/hubmap_translation/addl_index_transformations/portal/add_assay_details.py b/src/hubmap_translation/addl_index_transformations/portal/add_assay_details.py
index e06aab78..837f7f5a 100644
--- a/src/hubmap_translation/addl_index_transformations/portal/add_assay_details.py
+++ b/src/hubmap_translation/addl_index_transformations/portal/add_assay_details.py
@@ -211,6 +211,10 @@ def get_assay_type_for_viz(doc):
         # Check if the main entity can be visualized by portal-visualization.
         doc['visualization'] = has_visualization(doc, get_assay_type_for_viz)
 
+        # Set the 'spatial' field for search based off of the presence of the 'spatial' hint
+        if ('spatial' in assay_details.get('vitessce-hints', [])):
+            doc['spatial'] = True
+
         if not doc['visualization']:
             # If an entity doesn't have a visualization,
             # check its descendants for a supporting image pyramid.
@@ -225,9 +229,9 @@ def get_assay_type_for_descendants(descendant):
                     uuid = descendant
                 return _get_assay_details_by_uuid(uuid, transformation_resources)
 
-            # Filter any unpublished/non-QA descendants
+            # Filter any unpublished/non-QA descendants and multi-assay splits
             descendants = [descendant for descendant in descendants if [
-                'Published', 'QA'].count(descendant.get('status')) > 0]
+                'Published', 'QA'].count(descendant.get('status')) > 0 and descendant.get('creation_action') != CreationAction.MULTI_ASSAY_SPLIT]
             # Sort by the descendant's last modified timestamp, descending
             descendants.sort(
                 key=lambda x: x['last_modified_timestamp'],
@@ -250,6 +254,6 @@ def get_assay_type_for_descendants(descendant):
 
                 _set_soft_assaytype(parent, parent_assay_info)
 
-                if has_visualization(parent, get_assay_type_for_viz):
+                if has_visualization(doc, get_assay_type_for_viz, parent):
                     doc['visualization'] = True
                     break
diff --git a/src/hubmap_translation/addl_index_transformations/portal/tests/test_assay_details.py b/src/hubmap_translation/addl_index_transformations/portal/tests/test_assay_details.py
index dae5872c..ddcd1d28 100644
--- a/src/hubmap_translation/addl_index_transformations/portal/tests/test_assay_details.py
+++ b/src/hubmap_translation/addl_index_transformations/portal/tests/test_assay_details.py
@@ -125,6 +125,57 @@ def test_processed_dataset_type(mocker):
     assert input_processed_doc == output_processed_doc
 
 
+def mock_spatial_soft_assay(uuid=None, headers=None):
+    return mock_response({
+        "assaytype": "salmon_rnaseq_sciseq",
+        "contains-pii": True,
+        "pipeline-shorthand": "Salmon",
+        "description": "sciRNA-seq [Salmon]",
+        "primary": False,
+        "vitessce-hints": [
+            "is_sc",
+            "rna",
+            "spatial"
+        ]
+    })
+
+
+def test_spatial_dataset_type(mocker):
+    mocker.patch('requests.get', side_effect=[
+                 mock_spatial_soft_assay(),
+                 mock_empty_descendants()])
+    input_processed_doc = {
+        'uuid': '22684b9011fc5aea5cb3f89670a461e8',
+        'dataset_type': 'RNAseq [Salmon]',
+        'entity_type': 'Dataset',
+        'creation_action': 'Central Process'
+    }
+
+    output_processed_doc = {
+        'assay_display_name': ['sciRNA-seq [Salmon]'],
+        'dataset_type': 'RNAseq [Salmon]',
+        'entity_type': 'Dataset',
+        'mapped_data_types': ['sciRNA-seq [Salmon]'],
+        'pipeline': 'Salmon',
+        'raw_dataset_type': 'RNAseq',
+        'assay_modality': 'single',
+        'creation_action': 'Central Process',
+        'processing': 'processed',
+        'processing_type': 'hubmap',
+        'uuid': '22684b9011fc5aea5cb3f89670a461e8',
+        'soft_assaytype': 'salmon_rnaseq_sciseq',
+        'vitessce-hints': [
+            "is_sc",
+            "rna",
+            "spatial"
+        ],
+        'visualization': True,
+        'spatial': True,
+    }
+    add_assay_details(input_processed_doc, mock_transformation_resources)
+    assert input_processed_doc == output_processed_doc
+
+
 def mock_empty_soft_assay(uuid=None, headers=None):
     return mock_response({})
 
diff --git a/src/search-adaptor b/src/search-adaptor
index 386a117d..5aae76e2 160000
--- a/src/search-adaptor
+++ b/src/search-adaptor
@@ -1 +1 @@
-Subproject commit 386a117dc361d3aae55004a07e6d5b101a6ecc92
+Subproject commit 5aae76e2a50039ed8592877a98d880389925ca90