diff --git a/packages/translation/src/lang/en.json b/packages/translation/src/lang/en.json
index a2853a752..c769845f0 100644
--- a/packages/translation/src/lang/en.json
+++ b/packages/translation/src/lang/en.json
@@ -5793,6 +5793,42 @@
         "internalServerError": "Could not reach the UniFi OS console",
         "noData": "No data available"
       }
+    },
+    "unifiSiteManager": {
+      "name": "UniFi Site Manager",
+      "description": "Multi-site overview from a UniFi account",
+      "option": {
+        "showIsp": { "label": "Show ISP", "description": "Display the ISP name column" },
+        "showExternalIp": { "label": "Show public IP", "description": "Display the public IP column" }
+      },
+      "column": {
+        "site": "Site",
+        "health": "Health (24h)",
+        "latency": "Latency",
+        "isp": "ISP",
+        "externalIp": "Public IP",
+        "devices": "Devices",
+        "updates": "Updates",
+        "console": "Console",
+        "sdWan": "SD-WAN"
+      },
+      "sdWan": {
+        "connected": "Connected",
+        "disconnected": "Disconnected",
+        "offline": "Offline"
+      },
+      "health": {
+        "healthy": "healthy",
+        "degraded": "degraded",
+        "down": "down",
+        "unknown": "not reported"
+      },
+      "latency": "{value} ms · {loss} % loss",
+      "devicesOnline": "{online} / {total}",
+      "consoleUpdateAvailable": "Update available",
+      "consoleUpToDate": "Up to date",
+      "noSites": "No sites in this account",
+      "error": { "internalServerError": "Could not reach the UniFi Site Manager API" }
     }
   },
   "widgetPreview": {
diff --git a/packages/ui/src/widget-icons.ts b/packages/ui/src/widget-icons.ts
index 820cfa989..4da10d1f6 100644
--- a/packages/ui/src/widget-icons.ts
+++ b/packages/ui/src/widget-icons.ts
@@ -13,6 +13,7 @@ import {
   IconBrandMinecraft,
   IconBrowser,
   IconBuildingBank,
+  IconBuildingBroadcastTower,
   IconBusStop,
   IconCalendar,
   IconChartAreaLine,
@@ -94,6 +95,7 @@ export const widgetCatalogIcons: Record<WidgetKind, TablerIcon> = {
   networkControllerSummary: IconTopologyFull,
   networkControllerStatus: IconTopologyFull,
   unifiOs: IconRouter,
+  unifiSiteManager: IconBuildingBroadcastTower,
   rssFeed: IconRss,
   bookmarks: IconBookmark,
   indexerManager: IconReportSearch,
diff --git a/packages/widgets/src/refetch-intervals.ts b/packages/widgets/src/refetch-intervals.ts
index 1b149268e..fc6f914e2 100644
--- a/packages/widgets/src/refetch-intervals.ts
+++ b/packages/widgets/src/refetch-intervals.ts
@@ -24,6 +24,7 @@ export const widgetQueryRefetchIntervals = [
     staleTimeSeconds: 300,
   },
   { queryKey: [["widget", "airQuality", "atLocation"]], intervalSeconds: 900 },
+  { queryKey: [["widget", "unifiSiteManager"]], intervalSeconds: 300 },
   { queryKey: [["widget", "immich", "getAlbum"]], intervalSeconds: null },
   { queryKey: [["widget", "immich", "getServerStats"]], intervalSeconds: null },
   { queryKey: [["widget", "immich", "getAlbums"]], intervalSeconds: null },
diff --git a/packages/widgets/src/registry.ts b/packages/widgets/src/registry.ts
index 818e01e29..6ec4628ba 100644
--- a/packages/widgets/src/registry.ts
+++ b/packages/widgets/src/registry.ts
@@ -55,6 +55,7 @@ import type * as tracearr from "./tracearr";
 import type * as traefik from "./traefik";
 import type * as umami from "./umami";
 import type * as unifiOs from "./unifi-os";
+import type * as unifiSiteManager from "./unifi-site-manager";
 import type * as ups from "./ups";
 import type * as uptimeKuma from "./uptime-kuma";
 import type * as video from "./video";
@@ -125,6 +126,7 @@ export const widgetModuleLoaders = {
   audioStats: () => import("./audio-stats"),
   umami: () => import("./umami"),
   unifiOs: () => import("./unifi-os"),
+  unifiSiteManager: () => import("./unifi-site-manager"),
   vpn: () => import("./vpn"),
   ups: () => import("./ups"),
   beszelSystemTable: () => import("./beszel-system-table"),
@@ -198,6 +200,7 @@ export type WidgetImports = {
   audioStats: typeof audioStats;
   umami: typeof umami;
   unifiOs: typeof unifiOs;
+  unifiSiteManager: typeof unifiSiteManager;
   vpn: typeof vpn;
   ups: typeof ups;
   beszelSystemTable: typeof beszelSystemTable;
@@ -278,6 +281,7 @@ export const widgetComponentLoaders = {
   audioStats: () => import("./audio-stats/component"),
   umami: () => import("./umami/component"),
   unifiOs: () => import("./unifi-os/component"),
+  unifiSiteManager: () => import("./unifi-site-manager/component"),
   vpn: () => import("./vpn/component"),
   ups: () => import("./ups/component"),
   beszelSystemTable: () => import("./beszel-system-table/component"),
diff --git a/packages/widgets/src/unifi-site-manager/component.tsx b/packages/widgets/src/unifi-site-manager/component.tsx
new file mode 100644
index 000000000..d56b37f8f
--- /dev/null
+++ b/packages/widgets/src/unifi-site-manager/component.tsx
@@ -0,0 +1,163 @@
+"use client";
+
+import { Box, Text } from "@mantine/core";
+import type { DataTableColumn } from "mantine-datatable";
+
+import { clientApi } from "@homarr/api/client";
+import type { UnifiSiteHealthState, UnifiSiteManagerSite } from "@homarr/integrations/types";
+import { useI18n } from "@homarr/translation/client";
+
+import { HomarrDataTable } from "../common/homarr-data-table";
+import type { WidgetComponentProps } from "../definition";
+import { HealthBar } from "./health-bar";
+
+const EMPTY_VALUE = "—";
+
+/** En dessous, les colonnes secondaires ne tiennent plus lisiblement. */
+const NARROW_WIDTH = 420;
+
+const formatHour = (at: Date) => at.toLocaleTimeString(undefined, { hour: "2-digit", minute: "2-digit" });
+
+export default function UnifiSiteManagerWidget({
+  integrationIds,
+  options,
+  isEditMode,
+  width,
+}: WidgetComponentProps<"unifiSiteManager">) {
+  const t = useI18n();
+  const { data: results = [] } = clientApi.widget.unifiSiteManager.overview.useQuery({ integrationIds });
+
+  const sites = results[0]?.overview.sites ?? [];
+  const isNarrow = width < NARROW_WIDTH;
+
+  const labels: Record<UnifiSiteHealthState, string> = {
+    healthy: t("widget.unifiSiteManager.health.healthy"),
+    degraded: t("widget.unifiSiteManager.health.degraded"),
+    down: t("widget.unifiSiteManager.health.down"),
+    unknown: t("widget.unifiSiteManager.health.unknown"),
+  };
+
+  const columns: DataTableColumn<UnifiSiteManagerSite>[] = [
+    {
+      accessor: "name",
+      title: t("widget.unifiSiteManager.column.site"),
+      sortable: true,
+      ellipsis: true,
+    },
+    {
+      accessor: "health",
+      title: t("widget.unifiSiteManager.column.health"),
+      width: isNarrow ? 140 : 220,
+      render: (site) => (
+        <HealthBar segments={site.health} summary={site.summary} formatHour={formatHour} labels={labels} />
+      ),
+    },
+    {
+      accessor: "latencyMs",
+      title: t("widget.unifiSiteManager.column.latency"),
+      sortable: true,
+      render: (site) =>
+        site.latencyMs === null
+          ? EMPTY_VALUE
+          : t("widget.unifiSiteManager.latency", {
+              value: `${site.latencyMs}`,
+              loss: `${site.packetLossPct ?? 0}`,
+            }),
+    },
+    ...(options.showIsp && !isNarrow
+      ? [
+          {
+            accessor: "ispName",
+            title: t("widget.unifiSiteManager.column.isp"),
+            sortable: true,
+            render: (site: UnifiSiteManagerSite) => site.ispName ?? EMPTY_VALUE,
+          },
+        ]
+      : []),
+    ...(options.showExternalIp && !isNarrow
+      ? [
+          {
+            accessor: "externalIps",
+            title: t("widget.unifiSiteManager.column.externalIp"),
+            render: (site: UnifiSiteManagerSite) =>
+              site.externalIps.length === 0 ? EMPTY_VALUE : site.externalIps.join(" · "),
+          },
+        ]
+      : []),
+    {
+      accessor: "deviceCount",
+      title: t("widget.unifiSiteManager.column.devices"),
+      sortable: true,
+      render: (site) => (
+        <Text size="sm" c={site.offlineDeviceCount > 0 ? "red" : undefined}>
+          {t("widget.unifiSiteManager.devicesOnline", {
+            online: `${site.deviceCount - site.offlineDeviceCount}`,
+            total: `${site.deviceCount}`,
+          })}
+        </Text>
+      ),
+    },
+    {
+      accessor: "pendingUpdateCount",
+      title: t("widget.unifiSiteManager.column.updates"),
+      sortable: true,
+      render: (site) => (
+        <Text size="sm" c={site.pendingUpdateCount > 0 ? "yellow" : undefined}>
+          {site.pendingUpdateCount}
+        </Text>
+      ),
+    },
+    {
+      accessor: "sdWan",
+      title: t("widget.unifiSiteManager.column.sdWan"),
+      render: (site) => {
+        // `null` couvre DEUX cas que le contrat ne distingue pas : le site
+        // n'appartient à aucune configuration, ou le cloud n'a pas répondu.
+        // Le tiret n'affirme donc ni l'un ni l'autre — il dit « on ne sait pas »,
+        // ce qui est vrai dans les deux cas. Ne pas le remplacer par un libellé
+        // du type « aucun mesh », qui trancherait à tort.
+        if (site.sdWan === null) return EMPTY_VALUE;
+
+        const { offline, connected, pingMs, errorCount } = site.sdWan;
+        const color = offline || !connected ? "red" : errorCount > 0 ? "yellow" : undefined;
+        const label = offline
+          ? t("widget.unifiSiteManager.sdWan.offline")
+          : connected
+            ? t("widget.unifiSiteManager.sdWan.connected")
+            : t("widget.unifiSiteManager.sdWan.disconnected");
+
+        return (
+          <Text size="sm" c={color}>
+            {/* Le ping n'apparaît que mesuré : le cloud rapporte 0 quand il ne
+                l'a pas mesuré, et l'afficher se lirait comme une latence nulle. */}
+            {pingMs === null ? label : `${label} · ${pingMs} ms`}
+          </Text>
+        );
+      },
+    },
+    {
+      accessor: "consoleUpdateAvailable",
+      title: t("widget.unifiSiteManager.column.console"),
+      // `null` = aucun host correspondant. Ce n'est pas « à jour ».
+      render: (site) =>
+        site.consoleUpdateAvailable === null
+          ? EMPTY_VALUE
+          : site.consoleUpdateAvailable
+            ? t("widget.unifiSiteManager.consoleUpdateAvailable")
+            : t("widget.unifiSiteManager.consoleUpToDate"),
+    },
+  ];
+
+  return (
+    <Box h="100%">
+      <HomarrDataTable
+        isEditMode={isEditMode}
+        cellPadding={isNarrow ? "2px 6px" : "4px 8px"}
+        records={sites}
+        columns={columns}
+        idAccessor="siteId"
+        noRecordsText={t("widget.unifiSiteManager.noSites")}
+      />
+    </Box>
+  );
+}
diff --git a/packages/widgets/src/unifi-site-manager/health-bar.tsx b/packages/widgets/src/unifi-site-manager/health-bar.tsx
new file mode 100644
index 000000000..11ffe892d
--- /dev/null
+++ b/packages/widgets/src/unifi-site-manager/health-bar.tsx
@@ -0,0 +1,64 @@
+"use client";
+
+import { Box, Group, Text, Tooltip } from "@mantine/core";
+
+import type { UnifiSiteHealthSegment, UnifiSiteHealthState, UnifiSiteHealthSummary } from "@homarr/integrations/types";
+
+/**
+ * Couleurs de STATUT, pas palette catégorielle — elles sont fixes et non thémées.
+ * Un vert/orange/rouge « classique » a été mesuré à ΔE 2,9 entre l'orange et le
+ * vert en vision protanope : indistinguables. La palette de statut ne résout pas
+ * cela, elle impose une contrepartie — voir le résumé textuel ci-dessous, qui
+ * n'est pas décoratif.
+ */
+const STATE_COLOR: Record<UnifiSiteHealthState, string> = {
+  healthy: "#0ca30c",
+  degraded: "#fab219",
+  down: "#d03b3b",
+  unknown: "var(--mantine-color-default-border)",
+};
+
+const SEGMENT_HEIGHT = 14;
+
+export const HealthBar = ({
+  segments,
+  summary,
+  formatHour,
+  labels,
+}: {
+  segments: UnifiSiteHealthSegment[];
+  summary: UnifiSiteHealthSummary;
+  formatHour: (at: Date) => string;
+  labels: Record<UnifiSiteHealthState, string>;
+}) => (
+  <Group gap={6} wrap="nowrap">
+    <Group gap={1} wrap="nowrap" style={{ flex: 1, minWidth: 0 }}>
+      {segments.map((segment) => (
+        <Tooltip
+          key={segment.at.toISOString()}
+          label={`${formatHour(segment.at)} — ${labels[segment.state]}`}
+          openDelay={150}
+        >
+          <Box
+            style={{
+              flex: 1,
+              minWidth: 2,
+              height: SEGMENT_HEIGHT,
+              borderRadius: 1,
+              background: STATE_COLOR[segment.state],
+            }}
+          />
+        </Tooltip>
+      ))}
+    </Group>
+
+    {/* Le canal qui porte l'information quand la couleur ne passe pas. */}
+    <Text size="xs" c="dimmed" ff="monospace" style={{ whiteSpace: "nowrap" }}>
+      {summary.down > 0
+        ? `${summary.down}h ${labels.down}`
+        : summary.degraded > 0
+          ? `${summary.degraded}h ${labels.degraded}`
+          : `${summary.healthy}h ${labels.healthy}`}
+    </Text>
+  </Group>
+);
diff --git a/packages/widgets/src/unifi-site-manager/index.ts b/packages/widgets/src/unifi-site-manager/index.ts
new file mode 100644
index 000000000..e2e160eac
--- /dev/null
+++ b/packages/widgets/src/unifi-site-manager/index.ts
@@ -0,0 +1,23 @@
+import { IconBuildingBroadcastTower, IconServerOff } from "@tabler/icons-react";
+
+import { createWidgetDefinition } from "../definition";
+import { optionsBuilder } from "../options";
+
+export const { definition, componentLoader } = createWidgetDefinition("unifiSiteManager", {
+  icon: IconBuildingBroadcastTower,
+  supportedIntegrations: ["unifiSiteManager"],
+  integrationsRequired: true,
+  refetchInterval: 300,
+  createOptions() {
+    return optionsBuilder.from((factory) => ({
+      showIsp: factory.switch({ defaultValue: true, withDescription: true }),
+      showExternalIp: factory.switch({ defaultValue: true, withDescription: true }),
+    }));
+  },
+  errors: {
+    INTERNAL_SERVER_ERROR: {
+      icon: IconServerOff,
+      message: (t) => t("widget.unifiSiteManager.error.internalServerError"),
+    },
+  },
+}).withDynamicImport(() => import("./component"));