diff --git a/scripts/ui/map_screen.gd b/scripts/ui/map_screen.gd
index 8e46a52..aecdef4 100644
--- a/scripts/ui/map_screen.gd
+++ b/scripts/ui/map_screen.gd
@@ -34,6 +34,7 @@ var _marks: Control
 var _title: Label
 var _facing: Label
 var _others_key: Label
+var _key: Dictionary = {}      ## mark kind -> its line in the key
 
 func setup(w: Node3D, p: Node3D) -> void:
 	world = w
@@ -85,6 +86,7 @@ func setup(w: Node3D, p: Node3D) -> void:
 		var l := UITheme.label("■  %s" % MARKS[k][1], 14)
 		l.add_theme_color_override("font_color", MARKS[k][0])
 		legend.add_child(l)
+		_key[k] = l
 	_facing = UITheme.label("", 15, UITheme.TEXT_DIM)
 	_facing.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
 	box.add_child(_facing)
@@ -99,6 +101,13 @@ func open() -> void:
 	_tex.texture = ImageTexture.create_from_image(render(world))
 	_title.text = "The %s" % preload("res://scripts/world/terrain.gd").worldlet_name(world.worldlet_id())
 	_others_key.visible = world.is_online() and not bool(Net.server_info.get("pvp", true))
+	# The key lists this land's places only (the Cove has no barrow...).
+	var here := {"den": world.den != null and world.den.found, "barrow": world.barrow != null,
+		"stones": world.stones != null, "seam": world.tunnel != null, "pier": world.pier != null,
+		"cave": world.sea_cave != null, "wreck": world.wreck != null,
+		"treasure": world.wreck != null and player.inventory.count("treasure_map") > 0}
+	for k in _key:
+		_key[k].visible = bool(here.get(k, true))
 	visible = true
 	player.ui_open = true
 	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
diff --git a/scripts/world/wreck.gd b/scripts/world/wreck.gd
index fc2fb86..e60e8af 100644
--- a/scripts/world/wreck.gd
+++ b/scripts/world/wreck.gd
@@ -85,6 +85,7 @@ func _build() -> void:
 	mi.mesh = st.commit()
 	var mat := StandardMaterial3D.new()
 	mat.vertex_color_use_as_albedo = true
+	mat.vertex_color_is_srgb = true   # (the colours above are picked by eye: dark, weathered oak)
 	mat.roughness = 0.95
 	mi.material_override = mat
 	add_child(mi)