diff --git a/apps/media/src/wsException.filter.ts b/apps/media/src/wsException.filter.ts
index 82478a6b..18816763 100644
--- a/apps/media/src/wsException.filter.ts
+++ b/apps/media/src/wsException.filter.ts
@@ -1,18 +1,15 @@
 import { Catch, ArgumentsHost } from '@nestjs/common';
 import { BaseWsExceptionFilter, WsException } from '@nestjs/websockets';
 
-@Catch(WsException)
+@Catch()
 export class WSExceptionFilter extends BaseWsExceptionFilter {
-  catch(exception: any, host: ArgumentsHost) {
+  catch(exception: WsException, host: ArgumentsHost) {
     const client = host.switchToWs().getClient();
     const errorMessage = exception.message || 'An unknown error occurred';
 
     const errorResponse = {
       status: 'error',
-      error: {
-        code: 500,
-        message: errorMessage,
-      },
+      error: { code: 500, message: errorMessage },
     };
 
     client.emit('error', errorResponse);
diff --git a/apps/web/src/api/auth.ts b/apps/web/src/api/auth.ts
index 2dd11995..adae80d6 100644
--- a/apps/web/src/api/auth.ts
+++ b/apps/web/src/api/auth.ts
@@ -1,5 +1,3 @@
-import { useParams, useSearch } from '@tanstack/react-router';
-
 import axiosInstance from '@/api/axios';
 import { ENV } from '@/constants/env';
 
diff --git a/apps/web/src/components/common/Alert/index.tsx b/apps/web/src/components/common/Alert/index.tsx
new file mode 100644
index 00000000..8706e678
--- /dev/null
+++ b/apps/web/src/components/common/Alert/index.tsx
@@ -0,0 +1,24 @@
+import { cva } from 'class-variance-authority';
+import { ReactNode } from 'react';
+
+const alertVariants = cva('flex items-center justify-center', {
+  variants: {
+    type: {
+      info: 'text-black',
+      error: 'text-red-500',
+    },
+  },
+  defaultVariants: {
+    type: 'info',
+  },
+});
+interface AlertProps {
+  children?: ReactNode;
+  type?: 'info' | 'error';
+}
+
+function Alert({ children, type = 'info' }: AlertProps) {
+  return <div className={alertVariants({ type })}>{children}</div>;
+}
+
+export default Alert;
diff --git a/apps/web/src/components/live/StreamView/List/VideoPlayer.tsx b/apps/web/src/components/live/StreamView/List/VideoPlayer.tsx
index 9f058fec..dbb7eb61 100644
--- a/apps/web/src/components/live/StreamView/List/VideoPlayer.tsx
+++ b/apps/web/src/components/live/StreamView/List/VideoPlayer.tsx
@@ -21,7 +21,7 @@ const videoVariants = cva('absolute h-full w-full object-cover transition-opacit
 });
 
 export interface VideoPlayerProps {
-  stream: MediaStream | null;
+  stream?: MediaStream | null;
   paused?: boolean;
   isMicOn?: boolean;
   avatarSize?: 'sm' | 'md' | 'lg';
@@ -43,7 +43,7 @@ function VideoPlayer({
   useEffect(() => {
     if (!videoRef.current) return;
 
-    videoRef.current.srcObject = stream;
+    videoRef.current.srcObject = stream ?? null;
     setIsLoading(false);
   }, [stream, paused]);
 
diff --git a/apps/web/src/components/live/index.tsx b/apps/web/src/components/live/index.tsx
index 94613cc0..29373752 100644
--- a/apps/web/src/components/live/index.tsx
+++ b/apps/web/src/components/live/index.tsx
@@ -3,9 +3,11 @@ import { useEffect } from 'react';
 
 import ControlBar from '@/components/live/ControlBar';
 import StreamView from '@/components/live/StreamView';
+import { toast } from '@/core/toast';
 import { useEndTicle } from '@/hooks/api/live';
 import { useTicle } from '@/hooks/api/ticle';
 import useMediasoup from '@/hooks/mediasoup/useMediasoup';
+import { renderError } from '@/utils/toast/renderMessage';
 
 function MediaContainer() {
   useMediasoup();
@@ -23,7 +25,7 @@ function MediaContainer() {
 
   useEffect(() => {
     if (ticleData?.ticleStatus === 'closed') {
-      alert('종료된 티클입니다.'); // TODO: toast로 교체
+      toast(renderError('종료된 티클입니다.'));
       navigate({ to: '/' });
     }
   }, [ticleData?.ticleStatus, navigate]);
diff --git a/apps/web/src/components/ticle/open/index.tsx b/apps/web/src/components/ticle/open/index.tsx
index 7aa4b6e9..1a87584e 100644
--- a/apps/web/src/components/ticle/open/index.tsx
+++ b/apps/web/src/components/ticle/open/index.tsx
@@ -6,7 +6,9 @@ import { CreateTicleFormSchema, CreateTicleFormType } from '@repo/types';
 import Button from '@/components/common/Button';
 import TextArea from '@/components/common/TextArea';
 import TextInput from '@/components/common/TextInput';
+import { toast } from '@/core/toast';
 import { useCreateTicle } from '@/hooks/api/ticle';
+import { renderError } from '@/utils/toast/renderMessage';
 
 import DateTimePicker from './DateTimePicker';
 import FormBox from './FormBox';
@@ -36,7 +38,7 @@ function Open() {
       const { data } = await mutateAsync(submitData);
       navigate({ to: `/ticle/${data.ticleId}` });
     } catch (_) {
-      // TODO: 에러 토스트
+      toast(renderError('티클 개설에 실패했습니다.'));
     }
   };
 
diff --git a/apps/web/src/components/toast/Toast.tsx b/apps/web/src/components/toast/Toast.tsx
index a5e829f5..8779774f 100644
--- a/apps/web/src/components/toast/Toast.tsx
+++ b/apps/web/src/components/toast/Toast.tsx
@@ -6,7 +6,7 @@ import { ToastProps } from '@/core/toast/type';
 import useToast from '@/hooks/toast/useToast';
 
 const containerVariants = cva(
-  'z-0 mb-4 flex max-h-[800px] min-h-16 cursor-pointer justify-between overflow-hidden rounded-md bg-[#000000b3] text-white shadow-md [&.bounce-enter]:animate-bounce-in-bottom [&.bounce-exit]:animate-bounce-out-bottom',
+  'z-0 mb-4 flex min-h-16 cursor-pointer justify-between overflow-hidden rounded-md bg-[#ffffffb3] text-white shadow-md [&.bounce-enter]:animate-bounce-in-bottom [&.bounce-exit]:animate-bounce-out-bottom',
   {
     variants: {
       closeOnClick: {
diff --git a/apps/web/src/components/toast/ToastContainer.tsx b/apps/web/src/components/toast/ToastContainer.tsx
index 90f67ed1..55076106 100644
--- a/apps/web/src/components/toast/ToastContainer.tsx
+++ b/apps/web/src/components/toast/ToastContainer.tsx
@@ -1,15 +1,19 @@
 import Toast from '@/components/toast/Toast';
 import { ToastCommonOptions } from '@/core/toast/type';
 import useToastContainer from '@/hooks/toast/useToastContainer';
-import cn from '@/utils/cn';
 
 const CONTAINER_CLASS =
-  'fixed z-50 min-w-[200px] max-w-[320px] p-1 text-white top-2.5 left-1/2 transform -translate-x-1/2';
+  'fixed z-50 min-w-[200px] max-w-[300px] p-1 text-white top-2.5 left-1/2 transform -translate-x-1/2';
 
 export type ToastContainerProps = ToastCommonOptions;
 
-const ToastContainer = ({ autoClose = 2000, closeOnClick = true }: ToastContainerProps) => {
+const ToastContainer = ({
+  limit = 2,
+  autoClose = 2000,
+  closeOnClick = true,
+}: ToastContainerProps) => {
   const { getToastToRender, containerRef, isToastActive } = useToastContainer({
+    limit,
     autoClose,
     closeOnClick,
   });
@@ -17,17 +21,13 @@ const ToastContainer = ({ autoClose = 2000, closeOnClick = true }: ToastContaine
   return (
     <div ref={containerRef} className={CONTAINER_CLASS}>
       {getToastToRender((toastList) => (
-        <div className={cn(CONTAINER_CLASS, 'bottom-0 transition-all delay-300')}>
-          {toastList.map(({ content, props: toastProps }) => (
-            <Toast
-              {...toastProps}
-              key={`toast-${toastProps.key}`}
-              isIn={isToastActive(toastProps.toastId)}
-            >
+        <>
+          {toastList.map(({ content, props }) => (
+            <Toast {...props} key={`toast-${props.key}`} isIn={isToastActive(props.toastId)}>
               {content}
             </Toast>
           ))}
-        </div>
+        </>
       ))}
     </div>
   );
diff --git a/apps/web/src/components/user/UserProfileDialog.tsx b/apps/web/src/components/user/UserProfileDialog.tsx
index 831c7e42..72fe8147 100644
--- a/apps/web/src/components/user/UserProfileDialog.tsx
+++ b/apps/web/src/components/user/UserProfileDialog.tsx
@@ -1,4 +1,4 @@
-import { Link, useNavigate } from '@tanstack/react-router';
+import { useNavigate } from '@tanstack/react-router';
 
 import { useUserProfile } from '@/hooks/api/user';
 
diff --git a/apps/web/src/core/toast/type.ts b/apps/web/src/core/toast/type.ts
index ae7af443..3df92cc1 100644
--- a/apps/web/src/core/toast/type.ts
+++ b/apps/web/src/core/toast/type.ts
@@ -5,6 +5,7 @@ export type ToastContent = ReactNode;
 export type ToastId = number | string;
 
 export interface ToastCommonOptions {
+  limit?: number;
   autoClose?: number;
   closeOnClick?: boolean;
 }
diff --git a/apps/web/src/hooks/api/ticle.ts b/apps/web/src/hooks/api/ticle.ts
index a02c8df4..eb791303 100644
--- a/apps/web/src/hooks/api/ticle.ts
+++ b/apps/web/src/hooks/api/ticle.ts
@@ -2,6 +2,8 @@ import { useQuery, useMutation, useQueryClient, useInfiniteQuery } from '@tansta
 import { useNavigate } from '@tanstack/react-router';
 
 import { getTitleList, getTicle, createTicle, applyTicle, deleteTicle } from '@/api/ticle';
+import { toast } from '@/core/toast';
+import { renderSuccess } from '@/utils/toast/renderMessage';
 
 interface GetTicleListParams {
   page?: number;
@@ -41,6 +43,7 @@ export const useCreateTicle = () => {
   return useMutation({
     mutationFn: createTicle,
     onSuccess: () => {
+      toast(renderSuccess('티클이 생성되었습니다.'));
       queryClient.invalidateQueries({ queryKey: ['ticleList'] });
       queryClient.invalidateQueries({ queryKey: ['dashboardTicleList'] });
     },
@@ -54,7 +57,7 @@ export const useApplyTicle = () => {
   return useMutation({
     mutationFn: applyTicle,
     onSuccess: (_, ticleId) => {
-      alert('티클 신청이 완료되었습니다.'); // TODO: toast로 교체
+      toast(renderSuccess('티클 신청이 완료되었습니다.'));
       navigate({ to: `/dashboard/apply` });
       queryClient.invalidateQueries({ queryKey: ['ticleList'] });
       queryClient.invalidateQueries({ queryKey: ['dashboardTicleList'] });
@@ -71,7 +74,7 @@ export const useDeleteTicle = () => {
   return useMutation({
     mutationFn: deleteTicle,
     onSuccess: () => {
-      alert('티클이 삭제되었습니다.'); // TODO: toast로 교체
+      toast(renderSuccess('티클이 삭제되었습니다.'));
       navigate({ to: `/` });
       queryClient.invalidateQueries({ queryKey: ['ticleList'] });
       queryClient.invalidateQueries({ queryKey: ['dashboardTicleList'] });
diff --git a/apps/web/src/hooks/mediasoup/useLocalStream.ts b/apps/web/src/hooks/mediasoup/useLocalStream.ts
index b866cd86..9f1f4b6e 100644
--- a/apps/web/src/hooks/mediasoup/useLocalStream.ts
+++ b/apps/web/src/hooks/mediasoup/useLocalStream.ts
@@ -2,7 +2,9 @@ import { useEffect } from 'react';
 import { MediaTypes } from '@repo/mediasoup';
 
 import { useMediasoupAction } from '@/contexts/mediasoup/context';
+import { toast } from '@/core/toast';
 import useMediaTracks from '@/hooks/useMediaTracks';
+import { renderError } from '@/utils/toast/renderMessage';
 
 const DEFAULT_LOCAL_STREAM = {
   stream: null,
@@ -41,12 +43,14 @@ const useLocalStream = () => {
       const track = await getCameraTrack();
 
       if (!track) {
-        return;
+        throw new Error();
       }
 
       return createProducer('video', track);
-    } catch (_) {
+    } catch (e) {
+      toast(renderError('카메라를 찾을 수 없습니다.'));
       closeStream('video');
+      throw e;
     }
   };
 
@@ -55,29 +59,36 @@ const useLocalStream = () => {
       const track = await getAudioTrack();
 
       if (!track) {
-        return;
+        throw new Error();
       }
-
       return createProducer('audio', track);
-    } catch (_) {
+    } catch (e) {
+      toast(renderError('마이크를 찾을 수 없습니다.'));
       closeStream('audio');
+      throw e;
     }
   };
 
   const startScreenStream = async () => {
-    const track = await getScreenTrack();
+    try {
+      const track = await getScreenTrack();
 
-    if (!track) {
-      return;
-    }
+      if (!track) {
+        throw new Error();
+      }
 
-    track.onended = () => {
-      track.stop();
-      closeStream('screen');
-      closeProducer('screen');
-    };
+      track.onended = () => {
+        track.stop();
+        closeStream('screen');
+        closeProducer('screen');
+      };
 
-    return createProducer('screen', track);
+      return createProducer('screen', track);
+    } catch (e) {
+      toast(renderError('화면 공유를 시작할 수 없습니다.'));
+      closeStream('screen');
+      throw e;
+    }
   };
 
   const closeScreenStream = () => {
diff --git a/apps/web/src/hooks/mediasoup/useMediasoup.ts b/apps/web/src/hooks/mediasoup/useMediasoup.ts
index d44fdc34..8909ed12 100644
--- a/apps/web/src/hooks/mediasoup/useMediasoup.ts
+++ b/apps/web/src/hooks/mediasoup/useMediasoup.ts
@@ -66,13 +66,9 @@ const useMediasoup = () => {
   };
 
   const setLocalStream = async (device: client.Device) => {
-    try {
-      await createSendTransport(device);
+    await createSendTransport(device);
 
-      await Promise.all([startCameraStream(), startMicStream()]);
-    } catch (_) {
-      // TODO: Error
-    }
+    Promise.all([startCameraStream(), startMicStream()]);
   };
 
   const setRemoteStream = async (device: client.Device) => {
diff --git a/apps/web/src/hooks/mediasoup/useSocket.ts b/apps/web/src/hooks/mediasoup/useSocket.ts
index 3768d340..d7d9cf8c 100644
--- a/apps/web/src/hooks/mediasoup/useSocket.ts
+++ b/apps/web/src/hooks/mediasoup/useSocket.ts
@@ -4,6 +4,8 @@ import { io, Socket } from 'socket.io-client';
 import { SOCKET_EVENTS } from '@repo/mediasoup';
 
 import { ENV } from '@/constants/env';
+import { toast } from '@/core/toast';
+import { renderError } from '@/utils/toast/renderMessage';
 
 const SOCKET_OPTIONS = {
   transports: ['websocket', 'polling'],
@@ -38,6 +40,10 @@ const useSocket = (): UseSocketReturn => {
 
   const initSocketEvents = useCallback(
     (socket: Socket) => {
+      socket.on(SOCKET_EVENTS.error, (result) => {
+        toast(renderError(result.error.message));
+      });
+
       socket.on(SOCKET_EVENTS.connect, () => {
         setIsConnected(true);
         setIsError(null);
diff --git a/apps/web/src/hooks/toast/useToastContainer.ts b/apps/web/src/hooks/toast/useToastContainer.ts
index 11e9a3ce..11c66736 100644
--- a/apps/web/src/hooks/toast/useToastContainer.ts
+++ b/apps/web/src/hooks/toast/useToastContainer.ts
@@ -1,4 +1,3 @@
-/* eslint-disable react-hooks/exhaustive-deps */
 import {
   useEffect,
   useRef,
@@ -99,11 +98,15 @@ const useToastContainer = (props: ToastContainerProps) => {
   };
 
   const appendToast = (content: ToastContent, props: ToastProps) => {
-    const { toastId } = props;
+    const { toastId, limit } = props;
 
     toastToRender.set(toastId, { content, props });
 
-    setToastIds((state) => [toastId, ...state]);
+    setToastIds((state) => {
+      const newToastIds = [toastId, ...state].slice(0, limit);
+
+      return newToastIds;
+    });
   };
 
   const getToastToRender = (cb: (toastList: Toast[]) => ReactNode) => {
diff --git a/apps/web/src/hooks/useMediaTracks.ts b/apps/web/src/hooks/useMediaTracks.ts
index 61bd27e0..e3448e94 100644
--- a/apps/web/src/hooks/useMediaTracks.ts
+++ b/apps/web/src/hooks/useMediaTracks.ts
@@ -37,7 +37,6 @@ const useMediaTracks = () => {
     const stream = await getCameraStream({
       video: { deviceId: selectedVideoDeviceId },
     });
-
     const track = stream.getVideoTracks()[0];
 
     if (!track) {
diff --git a/apps/web/src/utils/errorHandler.ts b/apps/web/src/utils/errorHandler.ts
index e097826b..44459cb3 100644
--- a/apps/web/src/utils/errorHandler.ts
+++ b/apps/web/src/utils/errorHandler.ts
@@ -1,12 +1,13 @@
 import axios from 'axios';
 
+import { toast } from '@/core/toast';
+import { renderError } from '@/utils/toast/renderMessage';
+
 export const handleError = (error: unknown) => {
-  if (error instanceof Error) {
-    if (axios.isAxiosError(error)) {
-      const serverError = error.response?.data;
-
-      // TODO: alert가 아닌 toast로 교체
-      alert(serverError?.error.message || '오류가 발생했습니다.');
-    }
-  }
+  if (!(error instanceof Error)) return;
+
+  if (!axios.isAxiosError(error)) return;
+
+  const serverError = error.response?.data;
+  toast(renderError(serverError?.error.message || '오류가 발생했습니다.'));
 };
diff --git a/apps/web/src/utils/toast/renderMessage.tsx b/apps/web/src/utils/toast/renderMessage.tsx
new file mode 100644
index 00000000..b0b14d80
--- /dev/null
+++ b/apps/web/src/utils/toast/renderMessage.tsx
@@ -0,0 +1,9 @@
+import Alert from '@/components/common/Alert';
+
+export const renderError = (message: string) => {
+  return <Alert type="error">{message}</Alert>;
+};
+
+export const renderSuccess = (message: string) => {
+  return <Alert>{message}</Alert>;
+};