diff --git a/shm/CMakeLists.txt b/shm/CMakeLists.txt
index 1935a5b0e..630014b94 100644
--- a/shm/CMakeLists.txt
+++ b/shm/CMakeLists.txt
@@ -10,6 +10,7 @@ project(SHM)
 
 # set executables
 set(THIS_PROJECT_SRC_DIRECTORIES
+    source/Island.cpp
     source/Fortune.cpp
     source/Map.cpp
     source/Game.cpp
diff --git a/shm/source/Island.cpp b/shm/source/Island.cpp
new file mode 100644
index 000000000..263c402dd
--- /dev/null
+++ b/shm/source/Island.cpp
@@ -0,0 +1,18 @@
+#include "Island.hpp"
+
+Island::Coordinates::Coordinates(const int x, const int y):
+	positionX(x),
+	positionY(y)
+{}
+
+bool Island::Coordinates::operator==(const Coordinates& coordinates) {
+	return (positionX == coordinates.positionX && positionY == coordinates.positionY);
+}
+
+Island::Island(const Coordinates& coordinates):
+	position_(coordinates)
+{}
+
+Island::Coordinates Island::getPosition() const { 
+	return position_; 
+}
diff --git a/shm/source/Island.hpp b/shm/source/Island.hpp
index 798cfd84f..cc95e1473 100644
--- a/shm/source/Island.hpp
+++ b/shm/source/Island.hpp
@@ -5,22 +5,14 @@ struct Island {
 		int positionX;
 		int positionY;
 
-		Coordinates(const int x, const int y):
-			positionX(x),
-			positionY(y)
-		{}
+		Coordinates(const int x, const int y);
 
-		bool operator==(const Coordinates& coordinates) {
-			return (positionX == coordinates.positionX && positionY == coordinates.positionY);
-		}
+		bool operator==(const Coordinates& coordinates);
 	};
 
-public:
-	Island(const Coordinates& coordinates):
-		position_(coordinates)
-	{}
+	Island(const Coordinates& coordinates);
 
-	Coordinates getPosition() const { return position_; }
+	Coordinates getPosition() const;
 
 private:
 	Coordinates position_;