Green Dolphin Street Prison

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Green Dolphin Street Prison (グリーン・ドルフィン・ストリート刑務所 Gurīn Dorufin Sutorīto Keimusho), also known as G.D. st. Jail (刑務所 Keimusho), and The Aquarium ((すい)(ぞく)(かん) Suizokukan),[1] is the main setting of the first part of Stone Ocean. It appears to be a unisex prison, though the genders are separated by dorms.


Located in the United States in Port St. Lucie, Florida, Green Dolphin Street Prison is a maximum security prison facility, unique in the fact that it is built offshore on an island, preventing its detainees from ever escaping to the mainland. Because of this, it is also known as "The Aquarium." While such a concept for a detainment facility has been used before the introduction of Green Dolphin Street, the prison boasts a large property area, and due to the rather rough and humid Florida environment and ecosystem, as well as the well-equipped and funded facility, the detainees will not find escape possible.

The prison represents an ideal containment center focusing on the importance of freedom and equality. Prisoners are allowed to walk around the campus and commit to their own activities within the allowed areas. Privileges, such as the use of the phone, taking a shower, reading a book, and watching TV are permitted, and even further privileges, such as work and an integrated university for studying are present. Money earned through said work can be used to purchase bonus vanity items and decorations at a gift shop. However, the prison does have various restrictions, such as the prohibition of metallic objects. Prisoners must also shave their heads and follow curfew, though this can be bypassed by bribing the barber and, sometimes, the guards.


According to one of the inmates, the prison has several mysteries.

  • Even though there should be one meal per person, the number of meals does not match the number of prisoners.[2]
  • Bento boxes for lunch will be conveniently sold out when it's someone's turn to get one.[2]
  • Using the phones requires a reservation or prisoners will have to buy the spot. It usually takes a month or more of waiting to use the phones.[3]
  • The prison has a shop that sells branded items like Rolex watches and Louis Vuitton bags.[4]


Prison CellsLink to this section

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Manga Debut: SO Chapter 4: Prisoner FE40536: Jolyne Cujoh, Part 1
Anime Debut: SO Episode 2: Stone Free
Prison Cells (囚人監房 shūjin kanbō) are small rooms where inmates are held in Green Dolphin Street Prison. In each cell contains a writing desk, bunk bed and toilet. Some cells contain books and posters owned by inmates. Every prisoner is assigned a roommate to share their new prison life with. To avoid complications, prisoners are only paired with roommates that have been determined to be compatible with them.[5] Jolyne's cell is cell 206, second floor.[6]

Phone BoothsLink to this section

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Manga Debut: SO Chapter 4: Prisoner FE40536: Jolyne Cujoh, Part 1
Anime Debut: SO Episode 2: Stone Free
The phone booths of the prison available for the inmates. Used to call the exterior of the prison. Since all inmates want to use them, the phones are reservation only and the wait is usually a month long before an inmate can use the booths. That is one of the "seven wonders" of the prison. Of course, paying another inmate to free their phone time is possible.[3] The phone calls are recorded and all metadata like the destination of the call or length are also recorded. This allows Pucci to spy on Jolyne's call with the Speedwagon Foundation.[7]

Dining Hall / CafeteriaLink to this section

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Manga Debut: SO Chapter 4: Prisoner FE40536: Jolyne Cujoh, Part 1
Anime Debut: SO Episode 2: Stone Free
The area where the inmates are served food and where they eat. One is situated right in the middle of the women's quarters near the cells. Simply put, a set quantity of food is served while the inmates get in line with trays and portions are served. Breakfast begins at 7AM. There is usually enough food for everyone but inmates can take double portions and anyone arriving late is left starving. Inmates that work on outside facilities are given their lunch there at breakfast.[2] The food is quite varied and high quality, including boxes of milk, fresh fruits like bananas or even salmon.[8] Alternatively, set lunches are served in boxes and all inmates must present a meal ticket to get one.[9]

FarmLink to this section

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Manga Debut: SO Chapter 4: Prisoner FE40536: Jolyne Cujoh, Part 1
Anime Debut: SO Episode 7: There's Six of Us!
Green Dolphin Street possesses farmlands where inmates can work. The farmlands are situated near a swamp and there is an on-site barn where most of the farming equipment, including a tractor, is stored. Most importantly, it is the hiding spot for all of Enrico Pucci's Stand DISCs. The DISCs are hidden in the wheel of a tractor and F.F. used to be their guardian.[10]

LibraryLink to this section

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Manga Debut: SO Chapter 10: Green Dolphin Street Prison
Anime Debut: SO Episode 2: Stone Free
The library is one of the recreational areas of the prison. It naturally contains books, from classics like "The Count of Monte Cristo" in French apparently[3] or comic books. There is also a TV set and the inmates can watch movies[11]

Visiting RoomsLink to this section

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Manga Debut: SO Chapter 11: The Visitor, Part 1
Anime Debut: SO Episode 3: The Visitor, Part 1
The visiting rooms, where people from the outside can come visit the inmates. A typical visiting room has a table and several chairs for the inmates and the visitor(s). There are two doors, one for the visitor(s) leading to the exit,[12] one for the inmates leading to the cells. The rules of the visits are the following: each visit lasts up to 30 minutes tops, holding hands is allowed but kissing or getting naked is prohibited. Any conversation is recorded, foreign languages are prohibited and the staff can prematurely cancel the visit because of the topics of discussion.[13]

Punishment WardLink to this section
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Manga Debut: SO Chapter 96: Jail House Lock!, Part 1
Anime Debut: SO Episode 6: Ermes's Sticker
The punishment ward is where prisoners who are caught infringing on the rules of the prison and haven't been shot down are being put. To punish them, they are placed in isolation for weeks.

Medical OfficeLink to this section

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Manga Debut: SO Chapter 21: Ermes's Sticker, Part 1
Anime Debut: SO Episode 6: Ermes's Sticker

The medical facility of the prison is equipped with a large visiting room where the doctor can examine each new inmate[14] and even a bedroom where sick inmates can rest.[15]

ToiletsLink to this section

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Manga Debut: SO Chapter 22: Ermes's Sticker, Part 2
Anime Debut: SO Episode 6: Ermes's Sticker
Public restrooms for personal relief. Nothing too interesting happens there except for the time Ermes confronted McQueen for the first time.[16]

Unknown RoomLink to this section

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Manga Debut: SO Chapter 24: Ermes's Sticker, Part 4
Anime Debut: SO Episode 10: Operation Savage Garden (Head to the Courtyard!), Part 1
A music room hidden behind an invisible crack on the wall of a staircase in Green Dolphin Street Prison. Its most defining features are a grand piano complete with a seat standing at the center over a large carpet and a Lichtenstein print on the wall. The room also incorporates a chair and a small table on which lies a plate with a can and a glass of orange juice and a Mars chocolate bar.[17] Other pieces of furniture include various drawers and shelving units which hold several books and miscellaneous objects.

Recreation GroundsLink to this section

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Manga Debut: SO Chapter 34: Marilyn Manson, the Debt Collector, Part 1
Anime Debut: SO Episode 9: Marilyn Manson, the Debt Collector
A large open courtyard, complete with basketball courts and benches. The inmates are lent recreational items like basketballs, baseballs and gloves.[18] If "outdoor time" is over, the prisoners are required to give everything back to the guards, but one can bribe them to have a little more time.[19]

Pucci's OfficeLink to this section

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Manga Debut: SO Chapter 34: Marilyn Manson, the Debt Collector, Part 1
Anime Debut: SO Episode 9: Marilyn Manson, the Debt Collector
Enrico Pucci's office. It is there that he can meet and discuss in private with prisoners, for instance Miraschon. As a prison priest, Pucci can apparently voice his opinion when inmates request a parole and prisoners may come to him to put in a good word for them. Pucci used the occasion once to put a DISC inside of a prisoner.

G.D. StoreLink to this section

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Manga Debut: SO Chapter 40: Operation Savage Garden (Head to the Courtyard!), Part 1
Anime Debut: SO Episode 2: Stone Free (glimpse) / SO Episode 10: Operation Savage Garden (Head to the Courtyard!), Part 1 (1st full appearance)
Inmates can spend their money at an on-site store that sells non-essential items to the inmates. Examples include: diet gum at 85c, shampoo at $2.85, sports newspapers, TV sets, boomboxes, baseball gloves, make-up, shoes, CDs, hair dye, mineral water, towel, soap and so on. For unknown reasons, Rolex watchs or Louis Vuitton bags are for sale here too. This is one of the seven wonders of the prison.[4]

Music RoomLink to this section

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The music room, where various musical instruments (e.g. a piano or drums) are stored and can be used. Jolyne meets with Emporio and Weather Report here to plan on how to break into the interior courtyard to deliver the Star Platinum DISC to the Speedwagon Foundation.

Laundry RoomLink to this section

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A large facility equipped with large machines. It is used to wash the inmates' clothes. It was the main battlefield of the fight between Jolyne, Weather Report and Lang Rangler.

Surveillance StationLink to this section

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A guard station equipped to monitor what happens in Green Dolphin Streets. Equipped with multiple work stations and many screens, it allows two guards to watch the entire prison. Any alarm is being sent there, and one can also consult the call logs of the prisoners.

ChapelLink to this section

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Manga Debut: SO Chapter 44: Operation Savage Garden, Part 5
Anime Debut: SO Episode 12: Torrential Downpour Warning
A place to worship God and seek spiritual redemption. It is equipped with several chairs and benches so that the believers can sit during the mass, and an altar with a cross. Enrico Pucci naturally dwells here often and it has become a place for meetings between Whitesnake and Sports Maxx.[20]

CourtyardLink to this section

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Manga Debut: SO Chapter 47: Operation Savage Garden, Part 8
Anime Debut: SO Episode 2: Stone Free
A rather large open courtyard. A revolving door is used as the gate into the courtyard and isn't locked since it's in the middle of the prison and inmates can't break out from there. A small monument resembling a mini clock tower is built at the center of the courtyard with staircases leading into it. It is unremarkable except for its status as the battlefield between Jolyne, Weather Report and Whitesnake.[21]

MausoleumLink to this section
Manga Debut: SO Chapter 52: Kiss of Love and Revenge, Part 2
An indoor graveyard where deceased prisoners are buried. It was the location of the battle between Ermes and Sports Maxx.[22]

WorkshopLink to this section
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Manga Debut: SO Chapter 52: Kiss of Love and Revenge, Part 2
A small indoor workshop where inmate can practice their handicraft. Sports Maxx worked on stuffed animal here.[23]

Ultra Security House UnitLink to this section
Manga Debut: SO Chapter 58: Ultra Security House Unit
The Ultra Security House Unit[20][24] (厳正懲罰隔離房(ウルトラセキュリティハウスユニット) Urutora Sekyuriti Hausu Yunitto, lit. Strict Punishment Isolation Ward) or simply Punishment Ward (厳正懲罰 Chōbatsu Bōtō) is a separate section of the prison designed to isolate prisoners who are unable to coexist with the rest. This includes those who are in need of protection, child murderers, and prisoners who are prone to violence or frequently try to escape. The facility is located on the southern section of the Men's exercise ground, situated 520 meters away from the Women's ward.[24]

The location is remarkably more austere than the ordinary living quarters. The inmates are confined in their cells 24/7 and they are washed with a waterhose. The walls of the cells are padded and there is only a window on the door. The toilets are squat toilets. The meal consists in a simple bread infested with insects and a cup of soup full of roaches.[20] A staircase leads to an execution room where inmates condemned to the death sentence are killed with an electric chair.[25]

MarshlandsLink to this section
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Manga Debut: SO Chapter 79: Yo-Yo Ma Is Coming!, Part 2
The marshlands near the prisons, full of wildlife and covered in water. Jolyne and Anasui try to escape through here with Yo-Yo Ma and but are soon forced to let themselves to be captured.


Green Dolphin Street Prison has a full staff of prison guards, and other support workers from doctors to a prison priest. Most of them disdain the prisoners because of the crimes they've committed and are abusive to a high degree. Due to the dangerousness of the prison's occupants, the guards are extremely trigger-happy as well and don't hesitate to shoot prisoners caught in unauthorized areas. They are also somewhat professional when it comes to alerts, quickly donning full riot control gear and coming in numbers to quell any uprising, which has led to a general state of quietness among prisoners.

On the other hand, the staff is also very corrupt and regularly allow prisoners to break the rules of the facility in exchange for monetary bribes.

The Staff of Green Dolphin Street Prison

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Chief's Assistant

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Chief Guard
Viviano Westwood
Corrections Officer
Sonny Likir
Corrections Officer

Notable Inmates

Most of the inmates have been rightfully sentenced to prison for various heinous crimes, which are reflected in their general demeanor. Almost all inmates are hardened criminals who will use violence to fulfill their goals. Moreover, a good part of them are also unstable, being psychotic or having other mental afflictions. Because of a lack of oversight, most inmates are left to their own devices, leading to a state in which it is easy for prisoners and bullies to prey on the weakest among them.

The most dangerous of the inmates are actually kept in a separate Ultra Security House Unit because they endangered others to a high degree.

Due to Enrico Pucci's DISCs and the Arrow, a good number of inmates have become Stand Users.


Video Games

Different areas of Green Dolphin Street Prison appear as battle stages in JoJo's Bizarre Adventure: All Star Battle and Eyes of Heaven.

In ASB, the stage takes place outside in the courtyard whereas in EoH, the stage is inside the prison.

All Star Battle

  • Stage Hazard: Weather Report's poisonous frogs rain. Players hit by the frogs will be poisoned and gradually lose health over a short amount of time. This occurs an unlimited amount of times.
  • Situation Finish: Whitesnake steals a Disc from the fallen opponent (if Pucci himself is one of the fighters, this Situation Finish will not occur).

Eyes of Heaven

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  • Stage Gimmick 1: Gwess's Goo Goo Dolls can shrink opponents, making them take more damage, but must be paid using money found around the map first. Shrunken characters can enter the grates in the map, allowing escape from pursuers.
  • Stage Gimmick 2: Emporio's ability lets players teleport around the map.
  • Stage Gimmick 3: Sports Maxx's Limp Bizkit sets an invisible zombie alligator out into the prison, attacking whoever gets in its way. Has its own health bar.


  • Jolyne Cujoh refers to the prison as a "stone ocean", a play on words referring to its nickname The Aquarium, giving rise to both Part 6's title and how she derives her Stand's name.
  • Although Green Dolphin Street is technically a prison, its branding and inmate uniforms feature the name "G.D. st. JAIL".


  1. Emporio Alnino was born inside the prison, but is not an inmate himself.


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