diff --git a/src/MapKit/MKFeatureDisplayPriority.cs b/src/MapKit/MKFeatureDisplayPriority.cs
index 995b44fbd1..023b423d4d 100644
--- a/src/MapKit/MKFeatureDisplayPriority.cs
+++ b/src/MapKit/MKFeatureDisplayPriority.cs
@@ -9,10 +9,14 @@ namespace MapKit {
 #if !WATCH || (WATCH && !NET)
 
 #if NET
-	[SupportedOSPlatform ("ios11.0")]
 	[SupportedOSPlatform ("tvos11.0")]
+	[SupportedOSPlatform ("ios11.0")]
+	[SupportedOSPlatform ("macos10.13")]
 #else
-	[TV (11,0)][NoWatch][iOS (11,0)][Mac (10,13)]
+	[TV (11,0)]
+	[NoWatch]
+	[iOS (11,0)]
+	[Mac (10,13)]
 #endif
 #if WATCH && !NET
 	[Obsolete ("This API is not available on this platform.")]
diff --git a/src/MapKit/MKMapItem.cs b/src/MapKit/MKMapItem.cs
index d5b4f9888e..db138eecc6 100644
--- a/src/MapKit/MKMapItem.cs
+++ b/src/MapKit/MKMapItem.cs
@@ -22,9 +22,14 @@ namespace MapKit {
 	public enum MKDirectionsMode {
 		Driving, Walking, Transit,
 #if NET
+		[SupportedOSPlatform ("ios10.0")]
+		[SupportedOSPlatform ("macos10.12")]
 		[UnsupportedOSPlatform ("tvos")]
 #else
-		[iOS (10,0)][NoTV][Watch (3,0)][Mac (10,12)]
+		[iOS (10,0)]
+		[NoTV]
+		[Watch (3,0)]
+		[Mac (10,12)]
 #endif
 		Default
 	}
@@ -43,7 +48,9 @@ namespace MapKit {
 
 #if !WATCH // The corresponding key (MKLaunchOptionsCameraKey) is allowed in WatchOS, but there's no MKMapCamera type.
 
-#if !NET
+#if NET
+		[SupportedOSPlatform ("ios7.0")]
+#else
 		[iOS (7,0)]
 #endif
 		public MKMapCamera? Camera { get; set; }
diff --git a/src/MapKit/MKOverlayView.cs b/src/MapKit/MKOverlayView.cs
index bc9b5cb0fa..ec3fda9f78 100644
--- a/src/MapKit/MKOverlayView.cs
+++ b/src/MapKit/MKOverlayView.cs
@@ -6,6 +6,7 @@
 
 using System;
 using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
 using Foundation;
 using ObjCRuntime;
 using MapKit;
@@ -15,7 +16,14 @@ using MapKit;
 namespace MapKit {
 	public partial class MKOverlayView {
 
-#if !NET
+#if NET
+		[SupportedOSPlatform ("tvos9.2")]
+		[SupportedOSPlatform ("macos10.9")]
+		[UnsupportedOSPlatform ("ios7.0")]
+#if IOS
+		[Obsolete ("Starting with ios7.0 use 'MKOverlayRenderer' instead.", DiagnosticId = "BI1234", UrlFormat = "https://github.com/xamarin/xamarin-macios/wiki/Obsolete")]
+#endif
+#else
 		[TV (9,2)]
 		[Mac (10,9)]
 #endif
diff --git a/src/MapKit/MapKit.cs b/src/MapKit/MapKit.cs
index 0922389ac5..6199c6ee50 100644
--- a/src/MapKit/MapKit.cs
+++ b/src/MapKit/MapKit.cs
@@ -10,6 +10,7 @@
 
 using System;
 using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
 using CoreGraphics;
 using CoreLocation;
 using Foundation;
@@ -52,10 +53,12 @@ namespace MapKit {
 	}
 
 	// MKGeometry.h
-	[StructLayout (LayoutKind.Sequential)]
-#if !NET
+#if NET
+	[SupportedOSPlatform ("macos10.9")]
+#else
 	[Mac (10,9)]
 #endif
+	[StructLayout (LayoutKind.Sequential)]
 	public struct MKCoordinateRegion {
 		public CLLocationCoordinate2D Center;
 		public MKCoordinateSpan Span;
@@ -81,10 +84,12 @@ namespace MapKit {
 	}
 
 	// MKGeometry.h
-	[StructLayout (LayoutKind.Sequential)]
-#if !NET
+#if NET
+	[SupportedOSPlatform ("macos10.9")]
+#else
 	[Mac (10,9)]
 #endif
+	[StructLayout (LayoutKind.Sequential)]
 	public struct MKMapPoint {
 		public double X, Y;
 
@@ -146,7 +151,9 @@ namespace MapKit {
 			Height = height;
 		}
 
-#if !NET
+#if NET
+		[SupportedOSPlatform ("tvos9.2")]
+#else
 		[TV (9,2)]
 #endif
 		public static MKMapSize World { get { return new MKMapSize (0x10000000, 0x10000000); }}
@@ -185,12 +192,17 @@ namespace MapKit {
 	}
 
 	// MKGeometry.h
-	[StructLayout (LayoutKind.Sequential)]
-#if !NET
+#if NET
+	[SupportedOSPlatform ("macos10.9")]
+#else
 	[Mac (10,9)]
 #endif
+	[StructLayout (LayoutKind.Sequential)]
 	public struct MKMapRect {
-#if !NET
+#if NET
+		[SupportedOSPlatform ("tvos9.2")]
+		[SupportedOSPlatform ("macos10.9")]
+#else
 		[TV (9,2)]
 #endif
 		public static readonly MKMapRect Null = new MKMapRect (double.PositiveInfinity, double.PositiveInfinity, 0, 0);
@@ -283,7 +295,10 @@ namespace MapKit {
 			}
 		}
 
-#if !NET
+#if NET
+		[SupportedOSPlatform ("tvos9.2")]
+		[SupportedOSPlatform ("macos10.9")]
+#else
 		[TV (9,2)]
 #endif
 		public MKMapRect World {
@@ -396,7 +411,9 @@ namespace MapKit {
 	}
 
 	// MKGeometry.h
-#if !NET
+#if NET
+	[SupportedOSPlatform ("macos10.9")]
+#else
 	[Mac (10,9)]
 #endif
 	public static class MKGeometry {