diff --git a/geneit_app/src/api/accommodations/AccommodationsReservationsApi.tsx b/geneit_app/src/api/accommodations/AccommodationsReservationsApi.tsx
index 20801f9..8b3c15f 100644
--- a/geneit_app/src/api/accommodations/AccommodationsReservationsApi.tsx
+++ b/geneit_app/src/api/accommodations/AccommodationsReservationsApi.tsx
@@ -144,4 +144,20 @@ export class AccommodationsReservationsApi {
       uri: `/family/${r.family_id}/accommodations/reservation/${r.id}`,
     });
   }
+
+  /**
+   * Validate or reject a reservation request
+   */
+  static async Validate(
+    r: AccommodationReservation,
+    accept: boolean
+  ): Promise<void> {
+    await APIClient.exec({
+      method: "POST",
+      uri: `/family/${r.family_id}/accommodations/reservation/${r.id}/validate`,
+      jsonData: {
+        validate: accept,
+      },
+    });
+  }
 }
diff --git a/geneit_app/src/routes/family/accommodations/AccommodationsReservationsRoute.tsx b/geneit_app/src/routes/family/accommodations/AccommodationsReservationsRoute.tsx
index 9410839..531464a 100644
--- a/geneit_app/src/routes/family/accommodations/AccommodationsReservationsRoute.tsx
+++ b/geneit_app/src/routes/family/accommodations/AccommodationsReservationsRoute.tsx
@@ -20,6 +20,8 @@ import {
   FormGroup,
   FormLabel,
   IconButton,
+  Menu,
+  MenuItem,
   Popover,
   Tooltip,
   Typography,
@@ -92,6 +94,9 @@ export function AccommodationsReservationsRoute(): React.ReactElement {
       }
   >();
 
+  const [validateResaAnchorEl, setValidateResaAnchorEl] =
+    React.useState<null | HTMLElement>(null);
+
   const load = async () => {
     setReservations(
       await AccommodationsReservationsApi.FullListOfFamily(family.family)
@@ -174,8 +179,39 @@ export function AccommodationsReservationsRoute(): React.ReactElement {
     });
   };
 
+  const respondToResaRequest = async (
+    r: AccommodationReservation,
+    validate: boolean
+  ) => {
+    try {
+      loadingMessage.show("Validation de la réservation en cours...");
+
+      setActiveEvent(undefined);
+
+      await AccommodationsReservationsApi.Validate(r, validate);
+
+      reload();
+      snackbar("La réservation a été mise à jour avec succès !");
+    } catch (e) {
+      console.error("Failed to respond to reservation request!", e);
+      alert(`Echec de l'enregistrement de la réponse à la réservation ! ${e}`);
+    } finally {
+      loadingMessage.hide();
+    }
+  };
+
   const validateReservation = async (r: AccommodationReservation) => {
-    // TODO
+    respondToResaRequest(r, true);
+  };
+
+  const rejectReservation = async (r: AccommodationReservation) => {
+    if (
+      !(await confirm(
+        "Voulez-vous vraiment rejeter cette demande de réservation ?"
+      ))
+    )
+      return;
+    respondToResaRequest(r, false);
   };
 
   const changeReservation = async (r: AccommodationReservation) => {
@@ -473,18 +509,46 @@ export function AccommodationsReservationsRoute(): React.ReactElement {
                 <CardActions disableSpacing>
                   {activeEvent?.accommodation.need_validation &&
                     family.family.is_admin && (
-                      <Tooltip
-                        title="Valider (ou rejeter) la réservation"
-                        arrow
-                      >
-                        <IconButton
-                          onClick={() =>
-                            validateReservation(activeEvent?.reservation)
-                          }
+                      <>
+                        <Tooltip
+                          title="Valider (ou rejeter) la réservation"
+                          arrow
                         >
-                          <RuleIcon />
-                        </IconButton>
-                      </Tooltip>
+                          <IconButton
+                            onClick={(e) =>
+                              setValidateResaAnchorEl(e.currentTarget)
+                            }
+                          >
+                            <RuleIcon />
+                          </IconButton>
+                        </Tooltip>
+                        <Menu
+                          anchorEl={validateResaAnchorEl}
+                          open={!!validateResaAnchorEl && !!activeEvent}
+                          onClose={() => setValidateResaAnchorEl(null)}
+                        >
+                          <MenuItem
+                            disabled={
+                              activeEvent.reservation.validated === true
+                            }
+                            onClick={() =>
+                              validateReservation(activeEvent.reservation)
+                            }
+                          >
+                            Valider
+                          </MenuItem>
+                          <MenuItem
+                            disabled={
+                              activeEvent.reservation.validated === false
+                            }
+                            onClick={() =>
+                              rejectReservation(activeEvent.reservation)
+                            }
+                          >
+                            Rejeter
+                          </MenuItem>
+                        </Menu>
+                      </>
                     )}
                   {user.user.id === activeEvent?.reservation.user_id && (
                     <>