diff --git a/ports/structopt/0000-vendored-dependencies.patch b/ports/structopt/0000-vendored-dependencies.patch
new file mode 100644
index 0000000000..03f0beadb9
--- /dev/null
+++ b/ports/structopt/0000-vendored-dependencies.patch
@@ -0,0 +1,79 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 8c6f3dd..a85803b 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -36,6 +36,9 @@ option(STRUCTOPT_SAMPLES "Build structopt samples")
+ include(CMakePackageConfigHelpers)
+ include(GNUInstallDirs)
+ 
++find_package(magic_enum REQUIRED)
++find_package(unofficial-visit_struct REQUIRED)
++
+ add_library(structopt INTERFACE)
+ add_library(structopt::structopt ALIAS structopt)
+ 
+@@ -43,6 +46,9 @@ target_compile_features(structopt INTERFACE cxx_std_17)
+ target_include_directories(structopt INTERFACE
+   $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+   $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>)
++target_link_libraries(structopt INTERFACE
++  magic_enum::magic_enum
++  unofficial::visit_struct::visit_struct)
+ 
+ if(STRUCTOPT_SAMPLES)
+   add_subdirectory(samples)
+diff --git a/include/structopt/app.hpp b/include/structopt/app.hpp
+index b60cc29..c89aa5d 100644
+--- a/include/structopt/app.hpp
++++ b/include/structopt/app.hpp
+@@ -6,7 +6,7 @@
+ #include <string>
+ #include <structopt/is_stl_container.hpp>
+ #include <structopt/parser.hpp>
+-#include <structopt/third_party/visit_struct/visit_struct.hpp>
++#include <visit_struct/visit_struct.hpp>
+ #include <type_traits>
+ #include <vector>
+ 
+diff --git a/include/structopt/parser.hpp b/include/structopt/parser.hpp
+index 5ef391c..1cbfc71 100644
+--- a/include/structopt/parser.hpp
++++ b/include/structopt/parser.hpp
+@@ -13,8 +13,8 @@
+ #include <structopt/is_number.hpp>
+ #include <structopt/is_specialization.hpp>
+ #include <structopt/sub_command.hpp>
+-#include <structopt/third_party/magic_enum/magic_enum.hpp>
+-#include <structopt/third_party/visit_struct/visit_struct.hpp>
++#include <magic_enum/magic_enum.hpp>
++#include <visit_struct/visit_struct.hpp>
+ #include <tuple>
+ #include <type_traits>
+ #include <utility>
+diff --git a/include/structopt/visitor.hpp b/include/structopt/visitor.hpp
+index f36c155..dbaa619 100644
+--- a/include/structopt/visitor.hpp
++++ b/include/structopt/visitor.hpp
+@@ -7,7 +7,7 @@
+ #include <string>
+ #include <structopt/is_specialization.hpp>
+ #include <structopt/string.hpp>
+-#include <structopt/third_party/visit_struct/visit_struct.hpp>
++#include <visit_struct/visit_struct.hpp>
+ #include <type_traits>
+ #include <vector>
+ 
+diff --git a/structoptConfig.cmake.in b/structoptConfig.cmake.in
+index 8f4580f..c272fe6 100644
+--- a/structoptConfig.cmake.in
++++ b/structoptConfig.cmake.in
+@@ -2,6 +2,9 @@
+ 
+ include(CMakeFindDependencyMacro)
+ 
++find_dependency(magic_enum)
++find_dependency(unofficial-visit_struct)
++
+ if (NOT TARGET structopt::structopt)
+   include(${CMAKE_CURRENT_LIST_DIR}/structoptTargets.cmake)
+ endif ()
diff --git a/ports/structopt/portfile.cmake b/ports/structopt/portfile.cmake
new file mode 100644
index 0000000000..2647238a5c
--- /dev/null
+++ b/ports/structopt/portfile.cmake
@@ -0,0 +1,42 @@
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO p-ranav/structopt
+    REF "v${VERSION}"
+    SHA512 f284ec20379a1bfecfe1622e45d0570128455ecf0c24f2a1d26420c13a277112ca7ba350e2d40c0b0b37b38eba4ffa6ff164590b32262a5ba23186f7cd904511
+    HEAD_REF master
+    PATCHES
+        0000-vendored-dependencies.patch
+)
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    OPTIONS
+        -DSTRUCTOPT_TESTS=OFF
+        -DSTRUCTOPT_SAMPLES=OFF
+)
+
+vcpkg_cmake_install()
+
+# Header-only library.
+vcpkg_cmake_config_fixup(CONFIG_PATH "lib/cmake/structopt")
+vcpkg_fixup_pkgconfig()
+
+# Delete all third-party header files vendored by the structopt library.  The library has been patched to instead use
+# the external versions of these libraries.
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/include/structopt/third_party")
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug")
+
+vcpkg_install_copyright(
+    FILE_LIST
+        "${SOURCE_PATH}/LICENSE"
+)
+
+# Remove redundant license files that are installed by the library.
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/share/licenses)
+
+configure_file(
+    "${CMAKE_CURRENT_LIST_DIR}/usage"
+    "${CURRENT_PACKAGES_DIR}/share/${PORT}/usage"
+    COPYONLY
+)
diff --git a/ports/structopt/usage b/ports/structopt/usage
new file mode 100644
index 0000000000..c643e25d94
--- /dev/null
+++ b/ports/structopt/usage
@@ -0,0 +1,4 @@
+structopt provides CMake targets:
+
+    find_package(structopt CONFIG REQUIRED)
+    target_link_libraries(main PRIVATE structopt::structopt)
diff --git a/ports/structopt/vcpkg.json b/ports/structopt/vcpkg.json
new file mode 100644
index 0000000000..980418cda5
--- /dev/null
+++ b/ports/structopt/vcpkg.json
@@ -0,0 +1,20 @@
+{
+  "name": "structopt",
+  "version": "0.1.3",
+  "description": "Parse command line arguments by defining a struct.",
+  "homepage": "https://github.com/p-ranav/structopt",
+  "documentation": "https://github.com/p-ranav/structopt",
+  "license": "MIT",
+  "dependencies": [
+    "magic-enum",
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    },
+    "visit-struct"
+  ]
+}
diff --git a/versions/baseline.json b/versions/baseline.json
index e2b5743706..a167f5ae99 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -9296,6 +9296,10 @@
       "baseline": "2020-09-14",
       "port-version": 4
     },
+    "structopt": {
+      "baseline": "0.1.3",
+      "port-version": 0
+    },
     "stx": {
       "baseline": "1.0.5",
       "port-version": 0
diff --git a/versions/s-/structopt.json b/versions/s-/structopt.json
new file mode 100644
index 0000000000..b471598eed
--- /dev/null
+++ b/versions/s-/structopt.json
@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "8e4e317c3ba0dead53ae587f45d27022387eba29",
+      "version": "0.1.3",
+      "port-version": 0
+    }
+  ]
+}