diff --git a/apps/what-today/src/pages/mypage/reservations-list/index.tsx b/apps/what-today/src/pages/mypage/reservations-list/index.tsx
index 42179e84..b7898be7 100644
--- a/apps/what-today/src/pages/mypage/reservations-list/index.tsx
+++ b/apps/what-today/src/pages/mypage/reservations-list/index.tsx
@@ -7,6 +7,7 @@ import {
   NoResult,
   RadioGroup,
   ReservationCard,
+  SpinIcon,
   StarRating,
 } from '@what-today/design-system';
 import { WarningLogo } from '@what-today/design-system';
@@ -19,12 +20,25 @@ import { cancelMyReservation, createReview, fetchMyReservations } from '@/apis/m
 import useIntersectionObserver from '@/hooks/useIntersectionObserver';
 import type { MyReservationsResponse, Reservation, ReservationStatus } from '@/schemas/myReservations';
 
+// 필터링 가능한 상태 타입 (전체 상태 + 빈 문자열)
+type FilterStatus = ReservationStatus | '';
+
+// 예약 상태별 NoResult 메시지 상수 (컴포넌트 외부에 정의하여 최적화)
+const NO_RESULT_MESSAGES: Record<FilterStatus, string> = {
+  '': '예약한 체험이',
+  pending: '대기 중인 예약이',
+  confirmed: '승인된 예약이',
+  declined: '거절된 예약이',
+  canceled: '취소된 예약이',
+  completed: '완료된 체험이',
+};
+
 export default function ReservationsListPage() {
   const navigate = useNavigate();
   const { toast } = useToast();
   const queryClient = useQueryClient();
 
-  const [selectedStatus, setSelectedStatus] = useState<string>('');
+  const [selectedStatus, setSelectedStatus] = useState<FilterStatus>('');
 
   const [cancelTarget, setCancelTarget] = useState<Reservation | null>(null);
   const isDeleteOpen = cancelTarget !== null;
@@ -54,6 +68,15 @@ export default function ReservationsListPage() {
 
   const reservations = data?.pages.flatMap((page) => page.reservations) ?? [];
 
+  const noResultMessage = NO_RESULT_MESSAGES[selectedStatus];
+
+  // 리뷰 모달 닫기 핸들러
+  const handleCloseReviewModal = () => {
+    setReviewTarget(null);
+    setReviewContent('');
+    setStarRating(0);
+  };
+
   const scrollContainerRef = useRef<HTMLDivElement | null>(null);
   const observerRef = useIntersectionObserver(
     fetchNextPage,
@@ -93,14 +116,12 @@ export default function ReservationsListPage() {
         type: 'success',
       });
       setReviewTarget(null);
-      setReviewContent('');
-      setStarRating(0);
       queryClient.invalidateQueries({ queryKey: ['reservations'] });
     },
-    onError: () => {
+    onError: (error) => {
       toast({
         title: '후기 작성 실패',
-        description: '후기 작성 중 문제가 발생했습니다.',
+        description: error instanceof Error ? error.message : '후기 작성 중 문제가 발생했습니다.',
         type: 'error',
       });
     },
@@ -128,6 +149,7 @@ export default function ReservationsListPage() {
           {group.map((res) => {
             const showCancelButton = res.status === 'pending';
             const showReviewButton = res.status === 'completed' && !res.reviewSubmitted;
+            const showReviewCompletedButton = res.status === 'completed' && res.reviewSubmitted;
 
             return (
               <li key={res.id} className='mb-24'>
@@ -142,7 +164,7 @@ export default function ReservationsListPage() {
                   onClick={() => navigate(`/activities/${res.activity.id}`)}
                 />
 
-                {(showCancelButton || showReviewButton) && (
+                {(showCancelButton || showReviewButton || showReviewCompletedButton) && (
                   <div className='mt-8 mb-24'>
                     {showCancelButton && (
                       <Button
@@ -164,6 +186,11 @@ export default function ReservationsListPage() {
                         후기 작성
                       </Button>
                     )}
+                    {showReviewCompletedButton && (
+                      <Button disabled className='caption-text w-full' size='md' variant='fill'>
+                        후기 작성 완료
+                      </Button>
+                    )}
                   </div>
                 )}
               </li>
@@ -176,13 +203,17 @@ export default function ReservationsListPage() {
 
   let content;
   if (isLoading) {
-    content = <div className='flex justify-center p-40 text-gray-400'>로딩 중...</div>;
+    content = (
+      <div className='flex items-center justify-center p-40'>
+        <SpinIcon className='size-200' color='var(--color-gray-100)' />
+      </div>
+    );
   } else if (reservations.length > 0) {
     content = <div className='space-y-10'>{renderGroupedReservations(reservations)}</div>;
   } else {
     content = (
       <div className='flex justify-center p-40'>
-        <NoResult dataName='예약한 체험이' />
+        <NoResult dataName={noResultMessage} />
       </div>
     );
   }
@@ -203,7 +234,7 @@ export default function ReservationsListPage() {
         <RadioGroup
           radioGroupClassName='flex flex-nowrap gap-6 overflow-x-auto no-scrollbar'
           selectedValue={selectedStatus}
-          onSelect={(value) => setSelectedStatus(String(value))}
+          onSelect={(value) => setSelectedStatus(value as FilterStatus)}
         >
           <RadioGroup.Radio value='pending'>예약 대기</RadioGroup.Radio>
           <RadioGroup.Radio value='confirmed'>예약 승인</RadioGroup.Radio>
@@ -237,12 +268,12 @@ export default function ReservationsListPage() {
         </Modal.Content>
       </Modal.Root>
 
-      <Modal.Root open={isReviewOpen} onClose={() => setReviewTarget(null)}>
+      <Modal.Root open={isReviewOpen} onClose={handleCloseReviewModal}>
         {reviewTarget && (
           <Modal.Content className='flex max-w-385 flex-col items-center gap-6 text-center'>
             <Modal.CloseButton />
             <h2 className='section-text mt-22 font-bold'>{reviewTarget.activity.title}</h2>
-            <p className='caption-text text-gray-400'>
+            <p className='caption-text mb-6 text-gray-400'>
               {reviewTarget.date}/ {reviewTarget.startTime} ~ {reviewTarget.endTime} ({reviewTarget.headCount}명)
             </p>
 
diff --git a/packages/design-system/src/components/StarRating.tsx b/packages/design-system/src/components/StarRating.tsx
index cedee4f0..8249cab6 100644
--- a/packages/design-system/src/components/StarRating.tsx
+++ b/packages/design-system/src/components/StarRating.tsx
@@ -64,7 +64,7 @@ export default function StarRating({ value, onChange, max = 5, className }: Star
             onClick={() => onChange(starValue)}
             onMouseEnter={() => setHoverValue(starValue)}
           >
-            <StarIcon className={twMerge('size-42', !isLast && 'mr-12')} filled={isFilled} hover={isHover} />
+            <StarIcon className={twMerge('size-35', !isLast && 'mr-5')} filled={isFilled} hover={isHover} />
           </Button>
         );
       })}