diff --git a/layer-api/src/main/java/org/layer/config/SecurityConfig.java b/layer-api/src/main/java/org/layer/config/SecurityConfig.java
index 3eeafc82..9e784157 100644
--- a/layer-api/src/main/java/org/layer/config/SecurityConfig.java
+++ b/layer-api/src/main/java/org/layer/config/SecurityConfig.java
@@ -52,7 +52,7 @@ private void setHttp(HttpSecurity http) throws Exception {
                                 .requestMatchers(new AntPathRequestMatcher("/api/auth/sign-up")).permitAll()
                                 .requestMatchers(new AntPathRequestMatcher("/api/auth/oauth2/google")).permitAll()
                                 .requestMatchers(new AntPathRequestMatcher("/api/auth/oauth2/kakao")).permitAll()
-                                .requestMatchers(new AntPathRequestMatcher("/api/test")).permitAll()
+                                .requestMatchers(new AntPathRequestMatcher("/api/space/public/*")).permitAll()
                                 .requestMatchers(new AntPathRequestMatcher("/api/auth/test")).permitAll()
                                 .requestMatchers(new AntPathRequestMatcher("/h2-console/**")).permitAll()
                                 .requestMatchers(new AntPathRequestMatcher("/external/image/presigned")).permitAll()
diff --git a/layer-api/src/main/java/org/layer/domain/space/controller/SpaceApi.java b/layer-api/src/main/java/org/layer/domain/space/controller/SpaceApi.java
index 3061222a..9e957c77 100644
--- a/layer-api/src/main/java/org/layer/domain/space/controller/SpaceApi.java
+++ b/layer-api/src/main/java/org/layer/domain/space/controller/SpaceApi.java
@@ -85,6 +85,17 @@ public interface SpaceApi {
     })
     ResponseEntity<SpaceResponse.SpaceWithMemberCountInfo> getSpaceById(@MemberId Long memberId, @PathVariable Long spaceId);
 
+    @Operation(summary = "PUBLIC/ 스페이스 단건 조회하기", method = "GET", description = """
+            스페이스 아이디를 통해 하나의 스페이스를 조회합니다.
+            내가 속하지 않은 공간만 조회할 수 있습니다.
+            """)
+    @ApiResponses({
+            @ApiResponse(responseCode = "200", content = {
+                    @Content(mediaType = "application/json", schema = @Schema(implementation = SpaceResponse.SpaceWithMemberCountInfo.class))
+            })
+    })
+    ResponseEntity<SpaceResponse.SpaceWithMemberCountInfo> getPublicSpaceById(@PathVariable Long spaceId);
+
 
     @Operation(summary = "스페이스 입장하기", method = "POST", description = """
             공유받은 링크를 통해 스페이스에 입장합니다.
diff --git a/layer-api/src/main/java/org/layer/domain/space/controller/SpaceController.java b/layer-api/src/main/java/org/layer/domain/space/controller/SpaceController.java
index 91ea9766..cde7793e 100644
--- a/layer-api/src/main/java/org/layer/domain/space/controller/SpaceController.java
+++ b/layer-api/src/main/java/org/layer/domain/space/controller/SpaceController.java
@@ -51,6 +51,13 @@ public ResponseEntity<SpaceResponse.SpaceWithMemberCountInfo> getSpaceById(@Memb
         return ResponseEntity.ok((foundSpace));
     }
 
+
+    @GetMapping("/public/{spaceId}")
+    public ResponseEntity<SpaceResponse.SpaceWithMemberCountInfo> getPublicSpaceById(@PathVariable Long spaceId) {
+        var foundSpace = spaceService.getPublicSpaceById(spaceId);
+        return ResponseEntity.ok((foundSpace));
+    }
+
     @Override
     @PostMapping("/join")
     @ResponseStatus(HttpStatus.ACCEPTED)
diff --git a/layer-api/src/main/java/org/layer/domain/space/service/SpaceService.java b/layer-api/src/main/java/org/layer/domain/space/service/SpaceService.java
index 444ff730..9f7e9934 100644
--- a/layer-api/src/main/java/org/layer/domain/space/service/SpaceService.java
+++ b/layer-api/src/main/java/org/layer/domain/space/service/SpaceService.java
@@ -80,6 +80,12 @@ public SpaceResponse.SpaceWithMemberCountInfo getSpaceById(Long memberId, Long s
         return SpaceResponse.SpaceWithMemberCountInfo.toResponse(foundSpace);
     }
 
+    public SpaceResponse.SpaceWithMemberCountInfo getPublicSpaceById(Long spaceId) {
+        var foundSpace = spaceRepository.findByIdAndJoinedMemberId(spaceId).orElseThrow(() -> new SpaceException(NOT_FOUND_SPACE));
+
+        return SpaceResponse.SpaceWithMemberCountInfo.toResponse(foundSpace);
+    }
+
     @Transactional
     public void createMemberSpace(Long memberId, Long spaceId) {
 
diff --git a/layer-domain/src/main/java/org/layer/domain/space/repository/SpaceCustomRepository.java b/layer-domain/src/main/java/org/layer/domain/space/repository/SpaceCustomRepository.java
index 18f26406..05fef7f8 100644
--- a/layer-domain/src/main/java/org/layer/domain/space/repository/SpaceCustomRepository.java
+++ b/layer-domain/src/main/java/org/layer/domain/space/repository/SpaceCustomRepository.java
@@ -20,6 +20,8 @@ public interface SpaceCustomRepository {
 
     Optional<SpaceWithMemberCount> findByIdAndJoinedMemberId(Long spaceId, Long memberId);
 
+    Optional<SpaceWithMemberCount> findByIdAndJoinedMemberId(Long spaceId);
+
     Long updateSpace(Long spaceId, SpaceCategory category, List<SpaceField> fieldList, String name, String introduction, String bannerUrl);
 
     List<SpaceMember> findAllSpaceMemberBySpaceIdWithIsLeader(Long spaceId);
diff --git a/layer-domain/src/main/java/org/layer/domain/space/repository/SpaceRepositoryImpl.java b/layer-domain/src/main/java/org/layer/domain/space/repository/SpaceRepositoryImpl.java
index 95c75594..2064951e 100644
--- a/layer-domain/src/main/java/org/layer/domain/space/repository/SpaceRepositoryImpl.java
+++ b/layer-domain/src/main/java/org/layer/domain/space/repository/SpaceRepositoryImpl.java
@@ -60,6 +60,19 @@ public Optional<SpaceWithMemberCount> findByIdAndJoinedMemberId(Long spaceId, Lo
         return Optional.of(foundSpace);
     }
 
+    @Override
+    public Optional<SpaceWithMemberCount> findByIdAndJoinedMemberId(Long spaceId) {
+
+        var foundSpace = getSpaceWithMemberCountQuery().where(space.id.eq(spaceId)).fetchOne();
+
+
+        if (foundSpace == null || isSpaceWithMemberCountEmpty(foundSpace)) {
+            return Optional.empty();
+        }
+        // TODO: 커스텀 에러로 변경
+        return Optional.of(foundSpace);
+    }
+
     @Override
     public Long updateSpace(Long spaceId, SpaceCategory category, List<SpaceField> fieldList, String name, String introduction, String bannerUrl) {
         var query = queryFactory.update(space);
@@ -116,8 +129,8 @@ private JPAQuery<SpaceWithMemberCount> getSpaceWithMemberCountQuery() {
                 .leftJoin(memberCountRelationTable).on(space.id.eq(memberCountRelationTable.space.id))
                 .leftJoin(member).on(space.leaderId.eq(member.id))
                 .leftJoin(form).on(space.formId.eq(form.id))
-				.orderBy(form.id.desc())
-            	.limit(1);
+                .orderBy(form.id.desc())
+                .limit(1);
 
     }