diff --git a/package-lock.json b/package-lock.json
index 686b382..37fdfab 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,6 +11,7 @@
         "@capacitor/app": "^8.0.0",
         "@capacitor/core": "^8.3.4",
         "@quasar/extras": "^1.16.12",
+        "@stomp/stompjs": "^7.3.0",
         "pinia": "^2.3.0",
         "quasar": "^2.17.4",
         "vue": "^3.5.13",
@@ -1509,6 +1510,12 @@
         "win32"
       ]
     },
+    "node_modules/@stomp/stompjs": {
+      "version": "7.3.0",
+      "resolved": "https://registry.npmjs.org/@stomp/stompjs/-/stompjs-7.3.0.tgz",
+      "integrity": "sha512-nKMLoFfJhrQAqkvvKd1vLq/cVBGCMwPRCD0LqW7UT1fecRx9C3GoKEIR2CYwVuErGeZu8w0kFkl2rlhPlqHVgQ==",
+      "license": "Apache-2.0"
+    },
     "node_modules/@types/estree": {
       "version": "1.0.9",
       "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.9.tgz",
diff --git a/package.json b/package.json
index 205e4b5..9c8bb57 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
     "@capacitor/app": "^8.0.0",
     "@capacitor/core": "^8.3.4",
     "@quasar/extras": "^1.16.12",
+    "@stomp/stompjs": "^7.3.0",
     "pinia": "^2.3.0",
     "quasar": "^2.17.4",
     "vue": "^3.5.13",
@@ -24,8 +25,8 @@
     "@capacitor/android": "^8.3.4",
     "@capacitor/cli": "^8.3.4",
     "@capacitor/ios": "^8.3.4",
-    "@types/navermaps": "^3.7.5",
     "@quasar/vite-plugin": "^1.9.0",
+    "@types/navermaps": "^3.7.5",
     "@vitejs/plugin-vue": "^5.2.1",
     "sass-embedded": "^1.83.0",
     "typescript": "^5.7.2",
diff --git a/src/api/chat.ts b/src/api/chat.ts
new file mode 100644
index 0000000..feb3f32
--- /dev/null
+++ b/src/api/chat.ts
@@ -0,0 +1,14 @@
+import { http } from './http'
+
+export interface ChatMessage {
+  id: number
+  spotId: number
+  senderId: number
+  senderNickname: string
+  content: string
+  createdAt: string
+}
+
+export const chatApi = {
+  history: (spotId: number) => http.get<ChatMessage[]>(`/api/chat/spots/${spotId}/messages`),
+}
diff --git a/src/components/ChatDialog.vue b/src/components/ChatDialog.vue
new file mode 100644
index 0000000..7b94728
--- /dev/null
+++ b/src/components/ChatDialog.vue
@@ -0,0 +1,147 @@
+<template>
+  <q-dialog :model-value="modelValue" @update:model-value="$emit('update:modelValue', $event)" maximized>
+    <q-card class="column no-wrap">
+      <q-toolbar class="bg-primary text-white">
+        <q-icon name="chat" class="q-mr-sm" />
+        <q-toolbar-title>{{ spotName }} 채팅</q-toolbar-title>
+        <q-chip dense :color="connected ? 'positive' : 'grey-5'" text-color="white">
+          {{ connected ? '실시간' : '연결 중…' }}
+        </q-chip>
+        <q-btn flat round dense icon="close" @click="close" />
+      </q-toolbar>
+
+      <!-- 메시지 목록 -->
+      <q-scroll-area ref="scrollArea" class="col q-pa-md" style="background: #f4faff">
+        <div v-if="!messages.length" class="text-center text-grey-5 q-mt-lg">
+          첫 메시지를 남겨보세요. 이 스팟에 체크인한 이웃들과 대화해요.
+        </div>
+        <div
+          v-for="m in messages"
+          :key="m.id"
+          class="q-mb-sm row"
+          :class="isMine(m) ? 'justify-end' : 'justify-start'"
+        >
+          <div :class="isMine(m) ? 'msg mine' : 'msg'">
+            <div v-if="!isMine(m)" class="text-caption text-weight-medium text-accent">
+              {{ m.senderNickname }}
+            </div>
+            <div>{{ m.content }}</div>
+            <div class="text-caption text-grey-6 text-right">{{ time(m.createdAt) }}</div>
+          </div>
+        </div>
+      </q-scroll-area>
+
+      <!-- 입력 -->
+      <div class="row q-pa-sm q-gutter-sm bg-white items-center">
+        <q-input
+          v-model="draft"
+          class="col"
+          dense
+          outlined
+          placeholder="메시지 입력…"
+          maxlength="1000"
+          :disable="!connected"
+          @keyup.enter="send"
+        />
+        <q-btn round color="primary" icon="send" :disable="!connected || !draft.trim()" @click="send" />
+      </div>
+    </q-card>
+  </q-dialog>
+</template>
+
+<script setup lang="ts">
+import { nextTick, onBeforeUnmount, ref, watch } from 'vue'
+import { QScrollArea, useQuasar } from 'quasar'
+import { chatApi, type ChatMessage } from '@/api/chat'
+import { createSpotChat } from '@/lib/chatSocket'
+import { useAuthStore } from '@/stores/auth'
+
+const props = defineProps<{ modelValue: boolean; spotId: number; spotName: string }>()
+const emit = defineEmits<{ (e: 'update:modelValue', v: boolean): void }>()
+
+const $q = useQuasar()
+const auth = useAuthStore()
+
+const messages = ref<ChatMessage[]>([])
+const draft = ref('')
+const connected = ref(false)
+const scrollArea = ref<QScrollArea | null>(null)
+let chat: ReturnType<typeof createSpotChat> | null = null
+
+watch(
+  () => props.modelValue,
+  async (open) => {
+    if (open) await start()
+    else stop()
+  },
+)
+
+onBeforeUnmount(stop)
+
+async function start() {
+  messages.value = []
+  try {
+    messages.value = await chatApi.history(props.spotId)
+    scrollToBottom()
+  } catch {
+    // 히스토리 실패해도 실시간 연결은 시도
+  }
+  chat = createSpotChat(
+    props.spotId,
+    (m) => {
+      messages.value.push(m)
+      scrollToBottom()
+    },
+    (c) => (connected.value = c),
+  )
+  chat.activate()
+}
+
+function stop() {
+  chat?.deactivate()
+  chat = null
+  connected.value = false
+}
+
+function send() {
+  const text = draft.value.trim()
+  if (!text || !chat) return
+  chat.send(text)
+  draft.value = ''
+}
+
+function close() {
+  emit('update:modelValue', false)
+}
+
+function isMine(m: ChatMessage) {
+  return m.senderId === auth.member?.id
+}
+
+function time(iso: string) {
+  const d = new Date(iso)
+  return d.toLocaleTimeString('ko-KR', { hour: '2-digit', minute: '2-digit' })
+}
+
+function scrollToBottom() {
+  nextTick(() => {
+    const el = scrollArea.value
+    if (el) el.setScrollPercentage('vertical', 1, 150)
+  })
+}
+</script>
+
+<style scoped>
+.msg {
+  max-width: 76%;
+  padding: 8px 12px;
+  border-radius: 12px;
+  background: #ffffff;
+  border: 1px solid #e3eef7;
+  word-break: break-word;
+}
+.msg.mine {
+  background: #d7ecfb;
+  border-color: #cfe8fb;
+}
+</style>
diff --git a/src/lib/chatSocket.ts b/src/lib/chatSocket.ts
new file mode 100644
index 0000000..8396c65
--- /dev/null
+++ b/src/lib/chatSocket.ts
@@ -0,0 +1,45 @@
+import { Client, type IMessage } from '@stomp/stompjs'
+import { tokenStore } from '@/lib/token'
+import type { ChatMessage } from '@/api/chat'
+
+function wsUrl(): string {
+  const base = import.meta.env.VITE_API_BASE_URL ?? 'http://localhost:8080'
+  // http(s) -> ws(s)
+  return base.replace(/^http/, 'ws') + '/ws'
+}
+
+/**
+ * 스팟 채팅용 STOMP 클라이언트.
+ * connect 후 스팟 토픽을 구독하고, send 로 메시지를 전송한다.
+ */
+export function createSpotChat(
+  spotId: number,
+  onMessage: (m: ChatMessage) => void,
+  onStatus?: (connected: boolean) => void,
+) {
+  const client = new Client({
+    brokerURL: wsUrl(),
+    connectHeaders: { Authorization: `Bearer ${tokenStore.get() ?? ''}` },
+    reconnectDelay: 3000,
+    onConnect: () => {
+      onStatus?.(true)
+      client.subscribe(`/topic/spots/${spotId}`, (msg: IMessage) => {
+        onMessage(JSON.parse(msg.body) as ChatMessage)
+      })
+    },
+    onDisconnect: () => onStatus?.(false),
+    onWebSocketClose: () => onStatus?.(false),
+  })
+
+  return {
+    activate: () => client.activate(),
+    deactivate: () => client.deactivate(),
+    send: (content: string) => {
+      client.publish({
+        destination: `/app/spots/${spotId}/chat`,
+        body: JSON.stringify({ content }),
+      })
+    },
+    isConnected: () => client.connected,
+  }
+}
diff --git a/src/pages/HomePage.vue b/src/pages/HomePage.vue
index bbaf36b..5358b92 100644
--- a/src/pages/HomePage.vue
+++ b/src/pages/HomePage.vue
@@ -11,16 +11,39 @@
       백엔드에 연결하지 못했습니다. (서버 실행 여부를 확인하세요)
     </q-banner>
 
-    <!-- 체크인 -->
-    <q-btn
-      color="primary"
-      class="full-width q-py-sm"
-      unelevated
-      :loading="checkingIn"
-      :disable="!currentSpot"
-      icon="place"
-      :label="checkedIn ? '체크인 완료 · 여기 있어요!' : '나 지금 여기 도착!'"
-      @click="onCheckIn"
+    <!-- 체크인 + 채팅 -->
+    <div class="row q-col-gutter-sm">
+      <div class="col">
+        <q-btn
+          color="primary"
+          class="full-width q-py-sm"
+          unelevated
+          :loading="checkingIn"
+          :disable="!currentSpot"
+          icon="place"
+          :label="checkedIn ? '체크인 완료' : '나 지금 여기 도착!'"
+          @click="onCheckIn"
+        />
+      </div>
+      <div class="col-auto">
+        <q-btn
+          color="accent"
+          class="full-height q-px-md"
+          outline
+          :disable="!currentSpot"
+          icon="chat"
+          label="채팅"
+          @click="chatOpen = true"
+        />
+      </div>
+    </div>
+
+    <!-- 스팟 채팅 -->
+    <ChatDialog
+      v-if="currentSpot"
+      v-model="chatOpen"
+      :spot-id="currentSpot.id"
+      :spot-name="currentSpot.name"
     />
 
     <!-- 스팟 한줄평 (네이버 지도식 태그형) -->
@@ -77,11 +100,14 @@ import { ApiError } from '@/api/http'
 import { useAuthStore } from '@/stores/auth'
 import { useDogsStore } from '@/stores/dogs'
 import NaverMap from '@/components/NaverMap.vue'
+import ChatDialog from '@/components/ChatDialog.vue'
 
 const $q = useQuasar()
 const auth = useAuthStore()
 const dogs = useDogsStore()
 
+const chatOpen = ref(false)
+
 // 체크인/매칭 주체: 로그인 회원 + 대표 강아지
 const currentUserId = () => auth.member?.id ?? 0