diff --git a/layers/water_name/mapping.yaml b/layers/water_name/mapping.yaml
new file mode 100644
index 0000000..c1d35cc
--- /dev/null
+++ b/layers/water_name/mapping.yaml
@@ -0,0 +1,25 @@
+tables:
+  # etldoc: imposm3 -> osm_marine_point
+  marine_point:
+    type: point
+    fields:
+    - name: osm_id
+      type: id
+    - name: geometry
+      type: geometry
+    - name: name
+      key: name
+      type: string
+    - name: name_en
+      key: name:en
+      type: string
+    - name: place
+      key: place
+      type: string
+    filters:
+      exclude_tags:
+      - [ "name", "__nil__" ]
+    mapping:
+      place:
+      - ocean
+      - sea
diff --git a/layers/water_name/water_name.yaml b/layers/water_name/water_name.yaml
index e8dfab8..c2a789c 100644
--- a/layers/water_name/water_name.yaml
+++ b/layers/water_name/water_name.yaml
@@ -22,3 +22,5 @@ schema:
 datasources:
   - type: imposm3
     mapping_file: ../water/mapping.yaml
+  - type: imposm3
+    mapping_file: ./mapping.yaml