diff --git a/dev-ml/mirage-block/Manifest b/dev-ml/mirage-block/Manifest
new file mode 100644
index 0000000000..e9e5cfc399
--- /dev/null
+++ b/dev-ml/mirage-block/Manifest
@@ -0,0 +1 @@
+DIST mirage-block-3.0.0.tar.gz 9920 BLAKE2B e35702a2a363117270c9d6f637d509c8a5f236535018907d47ea1d5a83dc5efbb8eddbb4b9562ce3b6b991197abfbd83b4c6c8679fddee034037465586842192 SHA512 e8580ac754a2d5e90dfb0fa5c0709014bdcd5c76c818ab5f471392d218e5cd8cfe4de8d5cebfdb713cedc3b1ecf50541818d9d835a99a5dd6636ba7fc15a0958
diff --git a/dev-ml/mirage-block/metadata.xml b/dev-ml/mirage-block/metadata.xml
new file mode 100644
index 0000000000..f1b9cef231
--- /dev/null
+++ b/dev-ml/mirage-block/metadata.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="person">
+    <email>lssndrbarbieri@gmail.com</email>
+    <name>Alessandro Barbieri</name>
+  </maintainer>
+  <upstream>
+    <remote-id type="github">mirage/mirage-block</remote-id>
+  </upstream>
+  <use>
+    <flag name="combinators">Build the package specialised to the Lwt concurrency library for IO</flag>
+  </use>
+</pkgmetadata>
diff --git a/dev-ml/mirage-block/mirage-block-3.0.0.ebuild b/dev-ml/mirage-block/mirage-block-3.0.0.ebuild
new file mode 100644
index 0000000000..89393a9bd8
--- /dev/null
+++ b/dev-ml/mirage-block/mirage-block-3.0.0.ebuild
@@ -0,0 +1,38 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit dune multiprocessing
+
+DESCRIPTION="Block implementations for mirage"
+HOMEPAGE="https://github.com/mirage/mirage-block"
+SRC_URI="https://github.com/mirage/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="ISC"
+SLOT="0/${PV}"
+KEYWORDS="~amd64"
+IUSE="combinators ocamlopt"
+
+RDEPEND="
+	dev-ml/cstruct
+	dev-ml/lwt
+	dev-ml/fmt
+
+	combinators? (
+		dev-ml/io-page
+		dev-ml/logs
+	)
+"
+DEPEND="${RDEPEND}"
+
+src_compile() {
+	local pkgs="mirage-block"
+	use combinators && pkgs="${pkgs},mirage-block-combinators"
+	dune build -p "${pkgs}" -j $(makeopts_jobs) || die
+}
+
+src_install() {
+	dune_src_install mirage-block
+	use combinators && dune_src_install mirage-block-combinators
+}