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World's First International Island Manga "まはらじま(MAHARAJIMA)" Official Website | Tourism & Lifestyle Data for 500 Islands and Island Nations

🇯🇵SIMAYAMAJIMA(島山島).Nagasaki Goto Islands,JAPAN local trip

KODAKARAJIMA

This island with a mysterious stone pagoda

SUWANOSEJIMA

🇯🇵 Int'l Island Manga Artist, Ira
🇸🇬 Singapore PR
🌏 ADHD + ASD | IQ 115 | BMI 17.7
⛴️ Fastest to 500 islands in 3 years (World Record)
🙇 Japanese-to-English Google Translation. Apologies for any errors.

Table of Contents

SIMAYAMAJIMA(島山島)

【Resident Basic Register Information as of August 6, 2025】
Registered residents: 15
【Origin of the Island】
No accurate information or literature was found
【Island Features】
There were a lot of Japanese deer and wild boars, so it seemed like it would be difficult to protect the fields.
A mysterious stone pagoda lies in the mountains in the north of the island, with no clues left as to its origins.

SIMAYAMAJIMA(島山島)’ s scenery

Transportation to the Island/Facilities

scheduled ship
airplane×
Accommodations
Clinic
Public restroom
convenience store×
School

Top Page for Inhabited Islands in the Goto Islands

Ira(アイラ): World record holder for exploring over 500 islands in just about 3 years.
As an island manga artist, Ira serves as a valuable social example of leveraging ADHD and ASD traits to their fullest.
Author of the international island manga MAHARAJIMA(まはらじま).
Holds Singapore Permanent Residency (PR) and a Master’s degree in Intellectual Property.
[Link to Profile & Achievements]
[YouTube Channels: 1. Islands & Unexplored Regions | 2. Singapore & Mountains]

1:International Island Manga MAHARAJIMA, etc.

2: Living/Sightseeing Abroad + 500+ Islands Solo Travel Info (300+ Ferries)

TAKARAJIMA

Server & Domain changed (2026.6). Website construction: until 2026.9.

Archives of regions & islands explored by Ira, plus ferry travel info

1.Japan🇯🇵 All prefectures + All inhabited islands

3.South Korea🇰🇷 2 cities + Inhabited islands

4.China🇨🇳 Hainan + 10+ islands

5.Hong Kong🇭🇰 Downtown + Inhabited islands

6.

3:Vehicles / Budget Travel Info / Retro / Shrines

1.Marine⛴️🌊

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Table of Contents