# MARLIN - Jeju Diving & Travel — Divemap Scuba Diving Center

> Jeju scuba diving and travel planner with booking and dive log features. (iPhone/iPad app by MHNet Corp..)

- Source: https://appshunter.io/ios/app/marlin-jeju-diving-and-travel/id965611469 (this page in markdown: same URL + `.md`)
- Developer: [MHNet Corp.](https://appshunter.io/developer/1713443263)
- Category: Travel, Shopping
- Price: Free
- Age rating: 4+
- Requires: iOS 16.4 · 74 MB
- Languages: American English
- Released: 2015-02-18
- Data updated: 2026-08-15
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/marlin-jeju-diving-and-travel/id965611469/reviews.md

## What is MARLIN?

【 Jeju Island Scuba Diving & Travel Information 】

Create unforgettable travel memories with scuba diving in Jeju, South Korea.

DIVEMAP is a Jeju-based dive center offering a global-friendly scuba diving program powered by an IT-based app service.

With the MARLIN app, you can easily make inquiries, reservations, and enjoy access to dive logbooks and a variety of community services.

In addition, the app provides real-time Jeju travel information—including accommodation, festivals, performances, events, experiential tourism, food, historical sites, leisure sports, nature tours, shopping, and cultural attractions—so you can fully enjoy everything Jeju has to offer.

▶ Features ◀

◈ From inquiry to preparation to diving in Jeju

Planning a scuba diving trip to Jeju from overseas can be challenging.

MARLIN is built around DIVEMAP Jeju, a local dive center operation, helping you move from your first inquiry to real diving—smoothly and confidently.

Before you arrive, you may wonder:
• Which dive sites will you visit?
• How will the schedule work?
• What should you prepare and bring?
• How is diving operated locally in Jeju?
• Can first-time visitors join without stress?

MARLIN helps reduce uncertainty and guides you into a real Jeju diving experience.

◈ DIVEMAP Jeju — One-Stop Diving Service

DIVEMAP is a real dive center based in Jeju, connected directly to the MARLIN app.
From booking to on-site diving, MARLIN supports a seamless one-stop journey.

• Jeju diving schedule guidance
• Inquiry & reservation support
• Practical, real-world local diving information
• A smoother experience from online planning to offline diving

This is not just a travel information app—
it’s a platform that turns Jeju diving plans into reality.

◈ Jeju Scuba Diving for Visiting Divers

Jeju is a unique volcanic island where ocean conditions and underwater scenery change with the seasons.
Every trip offers something different.

MARLIN is designed for visiting divers who want to enjoy Jeju with less trial-and-error and more confidence.

◈ Log your dives, keep your memories

Diving doesn’t end when you surface.
Keep your experiences organized with MARLIN’s dive logbook features.

• Manage and store your dive history
• Save your travel memories
• Build references for your next dive trip

◈ Real-time Jeju travel information

Discover Jeju beyond diving with updated travel information inside the app.

◈ A platform built for divers

MARLIN is not about having the most features.
It’s about helping divers truly enjoy scuba diving in Jeju—more easily, more clearly, and more completely.

Your global gateway to Jeju scuba diving & travel information.
Now, all you need is the MARLIN app.

## Key features

- Scuba diving inquiries and reservations
- Digital dive logbook
- Real-time Jeju travel information
- One-stop diving service
- Local diving guidance
- Seasonal diving updates

## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/marlin-jeju-diving-and-travel/id965611469/reviews.md

### 1/5 — 서비스명이 지맘대로 바뀌네

*2022-03-24, version 5.2.1*

온라인 로그북으로 투자 유치하고
홈페이지는 SI 업체로 바꾸고
아주 지 멋대로인 서비스구나..

### 1/5 — 업데이트때마자 오류 허다함

*2020-09-21, version 4.2.8*

로그북 업로드 안되고 프로필 바꿔도 튕기고 사진첨부도 튕기고 몇번째인지도 모르겠네요 매번 업데이트때마다 오류있어 20로그만에
중고로 판매하고 테릭으로 넘아갔습니다 도저희 사용 못하겠음 매번 어플도 중복적인 오류 못잡아서 같은 패턴오류인데 컴퓨터는 오류가 없을까라는 의구심이 드네요

### 4/5 — 아이폰앱 오류 수정 부탁합니다

*2017-09-01, version 2.6.23*

DM1과 로그북 연동하여 잘 사용하고 있습니다만 오류 사항이 있어 수정 요청 드립니다. 사진 첨부하려고 하면 계속 튕깁니다;;;

### 2/5 — 사진 첨부 안됨

*2017-08-02, version 2.6.23*

아이폰 7, iOS 10.2.1 사용자입니다. 
앱 다운 후 로그북 작성하고 사진을 첨부하려고 사진찍기나 사진 보관함을 선택하면 앱이 종료됩니다. 프로필에사진 추가하려할 때도 동일합니다.

### 3/5 — 날짜포멧에러남

*2016-01-31, version 2.5.14*

다이빙번호에. 숫자만입력 하면 sql오류네요 . 수정해줘요

## Frequently asked questions about MARLIN

### Does MARLIN have ads?

Yes, MARLIN contains advertisements. This is common for free travel and service-oriented applications.

### What is MARLIN's update frequency?

MARLIN was last updated on June 8, 2026, indicating regular maintenance and feature additions. The current version is 6.1.8.

### Is MARLIN suitable for first-time divers in Jeju?

Yes, MARLIN is designed to guide first-time visitors through the process of scuba diving in Jeju, reducing uncertainty and providing practical local information.

### What kind of travel information does MARLIN offer for Jeju?

MARLIN provides real-time information on accommodation, festivals, events, food, historical sites, nature tours, shopping, and cultural attractions, in addition to diving.

### Can I manage my dive history with MARLIN?

Yes, MARLIN includes a digital dive logbook feature that allows you to manage, store, and build references for your dive history and travel memories.

### What devices support MARLIN?

MARLIN is available for iPhone, iPad, and iPod devices, making it accessible for a wide range of Apple users.

### What is the age rating for MARLIN?

MARLIN has an age rating of 4+, meaning it is suitable for users of all ages.

### How does MARLIN connect to DIVEMAP Jeju?

MARLIN is powered by DIVEMAP Jeju, a local dive center, and acts as an IT-based app service that directly supports inquiries, reservations, and on-site diving experiences.

## Version history (last 5 releases)

### 6.2.1 — 2026-08-13

We have optimized the app's core systems to provide a better service.

- Core Performance Optimization: Improved app loading speed and overall performance

- Enhanced Stability: Fixed app crashing issues and improved native compatibility

- UI/UX Improvements: Provided a more intuitive and stable user experience

We will continue to build a more polished MARLIN through consistent updates. Thank you.

### 6.1.8 — 2026-06-08

Updates are made regularly to make the app better. Please use the latest version with bug fixes and improved app stability.

- Improved reservation management
- Improved overhaul management
- Bug fixes

### 6.1.7 — 2026-05-18

Updates are made regularly to make the app better. Please use the latest version with bug fixes and improved app stability.

- Improved order processing
- Improved community features
- Bug fixes

### 6.1.5 — 2026-04-15

Updates are made regularly to make the app better. Please use the latest version with bug fixes and improved app stability.

- Product Recommendation Management
- Operational Function Improvements
- Bug fixes

### 6.1.4 — 2026-04-08

Updates are made regularly to make the app better. Please use the latest version with bug fixes and improved app stability.

- Improved reservation features
- System stabilization
- Bug fixes

## More apps by MHNet Corp.

- [Bidingo - 자전거 여행](https://appshunter.io/ios/app/bidingo/id6754151266)

All apps by MHNet Corp.: https://appshunter.io/developer/1713443263

## Related topics

[jeju](https://appshunter.io/ios/topics/jeju) · [jeju airlines](https://appshunter.io/ios/topics/jeju-airlines) · [jebao](https://appshunter.io/ios/topics/jebao)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*