Body
| - See main article: The Swan
Visitors: According to Locke, "everyone". Survivors actually seen in the Swan are Ana Lucia, Charlie, Desmond, Eko, Hurley, Jack, Jin, Kate, Libby, Locke, Michael, Rose, Sawyer, Sayid and Sun.
* The Hatch was originally discovered, and uncovered, by Boone and Locke.
* The interior was first seen by Kate, Locke and Jack.
* By the end of Season 2, most of the main characters have been shown inside the station on the show. Also, it is taken as common knowledge that all the other survivors know about the Swan station due to Locke's statement at one time that the rotation list for the button had "everyone" on it.
* Shannon and Claire are aware of the Swan, because Jack told the survivors.
* Juliet, Daniel, Charlotte and Miles saw the Hatch exterior.
* Nikki, Paulo and Bernard are aware of the Swan because of the Discharge.
* Frank is aware of the Swan, because of the DHARMA Initiative playing cards.
- See main article: The Looking Glass
Visitors: Charlie and Desmond
* Desmond predicted that Charlie had to go here to flip the yellow switch so they could get rescued. He said Charlie would swim down and drown. Desmond offer to go instead but Charlie knocked him out with a paddle.
* Charlie swam down to the station to find it not to be flooded. After being briefly held hostage, he completed his mission, and Mikhail detonated a grenade from outside one of the portholes, flooding the communications room.
- See main article: The Tempest
Visitors: Daniel and Charlotte went to The Tempest, followed by Juliet, Jack, and Kate. However, Jack did not enter inside.
* Daniel and Charlotte went to The Tempest in order to shut it down, so that Ben could not use the toxic gas against everyone on the island. They were followed by a suspicious Juliet, Jack, and Kate.
- See main article: The Arrow
Visitors: Horace and Radzinsky.
*Horace apparently worked at the Arrow station as a mathematician.
*Radzinsky edited part of the Swan orientation film and presumably took the splice to the Arrow.
*Kelvin was aware of the Arrow, since he worked on the blast door map.
*Pierre Chang filmed at last part of the Arrow orientation film.
*Horace is aware of the Arrow, as he told Phil to send a message to the station.
- See main article: The Pearl
Visitors: Ben, Juliet and Tom.
* Ben and Juliet were seen in the Pearl watching Jack in the Swan. They also mentioned Tom had been down there "a couple of days ago".
- See main article: The Staff
Visitors: Alex, Ethan, Juliet, Tom, Goodwin, Sabine
* Ethan took Claire to the Staff in order to retrieve her unborn baby. Tom was also present at this time. Alex would later save Claire from her fate.
* Juliet took Sun to the Staff in order to determine a D.O.C. for her unborn baby. The Staff was also where Juliet left her recorded messages for Ben whilst she infiltrated the survivors.
* Ethan, Goodwin and Sabine were seen in the operating room in Juliet's flashback.
- See main article: The Swan
Visitors: According to Locke, "everyone". Survivors actually seen in the Swan are Ana-Lucia, Charlie, Desmond, Eko, Hurley, Jack, Jin, Kate, Libby, Locke, Michael, Rose, Sawyer, Sayid and Sun
* The Hatch was originally discovered, and uncovered, by Boone and Locke.
* The interior was first seen by Kate, Locke and Jack.
* By the end of Season 2, most of the main characters have been shown inside the station on the show. Also, it is taken as common knowledge that all the other survivors know about the Swan station due to Locke's statement at one time that the rotation list for the button had "everyone" on it.
- See main article: The Tempest
Visitors: Juliet and Goodwin.
* Juliet followed Daniel and Charlotte to The Tempest when they shut it down. She was ordered to stop them by Harper.
* Goodwin worked there.
* Harper is aware of this station, as she told Juliet that Daniel and Charlotte were headed there.
- See main article: The Hydra
Visitors: Pierre, The Man in Black, Caesar, Ilana and Zoe.
*The Man in Black visited the Hydra to talk with Ceasar.
*Caesar visited the Hydra to look for supplies.
*Danielle, Locke and Sayid heard of this station, after Kate told them that Jack was on Hydra Island.
*Ilana visited the station when Ajira Flight 316 crashed on Hydra Island.
*Pierre Chang visited the Hydra in the Hydra Orientation Video.
*Hector and Glenn heard from this station while watching the Hydra Orientation Video.
*Zoe visited the Hydra during her time on the Island with Charles Widmore.
- See main article: The Flame
Visitors: Radzinsky and Pierre.
*Radzinsky worked as Head of Research at the Flame station.
*Pierre Chang filmed the orientation film at the Flame, likely in the basement.
*Horace is aware of the Flame, because Radzinsky informed him of Sayid's intrusion.
*Kelvin worked on the blast door map, and is therefore aware of the Flame.
*Roger mentioned the Flame in front of Horace to go to.
*Sayid found this station, later he took Danielle to this station. Danielle decided to go back and wait instead of exploring the station.
- See main article: The Lamp Post
Visitors: Jack, Sun and Desmond.
* Jack, Sun and Desmond are taken to the station by Eloise Hawking, to discuss how to get back to the Island.
- See main article: The Flame
Visitors: Bea, Ben, Juliet and Mikhail.
* Mikhail is the main occupant of the Flame. Bea was seen there also.
* Ben took Juliet to the Flame in order for her to see a live video feed of her sister.
- See main article: The Lamp Post
Visitors: Ben and Eloise.
* Ben is taken to the station by Eloise Hawking. He tells Jack that he was not aware of its existance. However, Eloise says he is probably not telling the truth.
* Eloise uses the Lamp Post to work out how the Oceanic 6 can return to the Island.
- See main article: The Orchid
Visitors: Pierre and Keamy.
*Pierre Chang visited the Orchid interior during its construction.
*Keamy visited the Orchid while searching for Ben to kill him.
*The mercenary team all visited the Orchid greenhouse, but never entered the actual station.
*Captain Gault was aware of the Orchid, due to the secondary protocol.
*Horace sent Miles to deliver a corpse to Dr. Chang at the Orchid.
*Kate heard of this station, after Daniel told Radzinsky that there was a problem at the Orchid.
- See main article: The Pearl
Visitors: Locke, Mr. Eko, Sayid, Nikki, Paulo and Desmond
* The first survivors to find the hatch doors were Nikki and Paulo. However, it was only Paulo who actually went inside some time before Locke and Eko.
* Originally belived to be discovered by Locke and Eko.
* Locke returned to the Pearl with Sayid, Desmond, Nikki and Paulo.
- See main article: The Arrow
Visitors: Ana-Lucia, Mr. Eko, Libby, Bernard, Cindy, Michael, Jin and Sawyer
* Seen by Michael, Jin and Sawyer when they met up with the Tailies.
* First found by Ana-Lucia, Eko, Libby, Bernard and Cindy.
- See main article: The Flame
Visitors: Kate, Locke and Sayid
* Mikhail Bakunin lived here. Bea Klugh was also discovered here.
* Sayid told Charlie about the station and later Charlie mentions it in front of Hurley and Desmond.
- See main article: The Arrow
Visitors: Goodwin
* Goodwin is the only known Other to visit the Arrow. Whilst posing as a tailie, the Arrow was discovered and used as shelter by the tail-enders.
- See main article: The Swan
Visitors: Kelvin and Radzinsky.
*Kelvin was living in the Swan at the time Desmond crashed on the Island.
*Radzinsky worked in the Swan station along with Kelvin.
*Horace Goodspeed was aware of the Swan construction site.
*Pierre Chang visited the construction site during the early stages. He also filmed the orientation film for the station.
*Danielle Rousseau visited the Hatch exterior with Sayid, Locke, Hurley and Jack to discuss hiding inside.
*The Man in Black is aware of the Swan after he mentioned that he and Ben first met at the Hatch.
- See main article: The Swan
Visitors: Ben
* Ben is the only known Other to visit the Swan, when he was held in the armory following his capture by Danielle.
- See main article: The Looking Glass
Visitors: Charlie and Desmond.
* Desmond predicted that Charlie had to go here to flip the yellow switch so they could get rescued. He said Charlie would swim down and drown. Desmond offer to go instead but Charlie knocked him out with a paddle.
* Charlie swam down to the station to find it not to be flooded. After being briefly held hostage, he completed his mission and Mikhail detonated a grenade from outside one of the portholes, flooding the communications room.
* Hurley told Locke about this station, after Charlie drowned.
* Radzinsky told Jin that he would send a message to the Looking Glass.
* Juliet told Jack and Sayid about the station.
* Sawyer heard of this station, after he asked Juliet where the DHARMA Initiative's doctor was.
* Claire became aware of this station, after Naomi told her that the rockstar had turned the signal off.
- See main article: The Looking Glass
Visitors: None
*Naomi Dorrit was made aware of the Looking Glass station when the survivors needed to stop the communications jamming, to phone the freighter.
*Radzinsky heard a response from the Looking Glass while at the Flame.
* Juliet told Danielle about the station.
- See main article: The Arrow
Visitors: Ana Lucia, Mr. Eko, Libby, Bernard, Cindy, Michael, Jin and Sawyer.
* Seen by Michael, Jin and Sawyer when they met up with the Tailies.
* First found by Ana Lucia, Eko, Libby, Bernard and Cindy.
* Eko told Locke about the station, after he found the Swan Orientation film splice in a copy of the Bible.
* Daniel and Miles are aware of the Arrow, because Horace Goodspeed mentioned it in front of Sawyer's group.
* Jack became aware of the Arrow, after Sawyer found Locke's map in the capsule dump.
- See main article: The Pearl
Visitors: Ben, Juliet, Tom
* Ben and Juliet were seen in the Pearl watching Jack in the Swan. They also mentioned Tom had been down there "a couple of days ago".
- See main article: The Hydra
Visitors: Aldo, Alex, Ben, Colleen, Danny, Isabel, Ivan, Jason, Juliet, Karl, Matthew, Luke, Tom
* The majority of Others listed above were seen at the Hydra in the first nine episodes of Season Three.
- See main article: The Staff
Visitors: Claire, Kate, Sun, Jin, Charlotte and Daniel.
* Visited by Claire when she was taken by Ethan.
* Claire later returned to the station accompanied by Kate.
* Jack also knows about the Staff's existence after Kate told him , and Kate briefly mentioned "the medical station" in front of Michael, Sawyer and Hurley.
* Also, Juliet took Sun there to tell if her conception was before or after the crash of flight 815.
* Sun, Jin, Daniel and Charlotte went there to get medical supplies.
* Desmond, Charlie, Sayid and Sawyer heard of this station, because of Juliet's lie.
* Rose and Bernard are aware of this station, after the survivors need supplies to operate on Jack.
* Locke heard of this station after listening to the tape Juliet left for Ben concerning the plot to kidnap pregnant women.
* Eko is aware of the Staff, after seeing it on Locke's map.
- See main article: The Tempest
Visitors: None
*Caesar is aware of the station after seeing the logo on Daniel's map.
- See main article: The Hydra
Visitors: Jack, Kate, Sawyer, Walt, Cindy, Emma, Zack, Jin, Desmond, Sayid, Sun, Claire, Hurley and Lapidus.
* Following the kidnapping of Jack, Kate and Sawyer, the three survivors were held at the Hydra.
* Charlotte is aware of this station, after she found the Hydra collar in the desert.
* Cindy, Emma and Zack were seen at the Hydra, watching Jack in the cage.
* Walt was brought to the Hydra by the Others.
* Locke and Sayid heard of this station, after Kate told them that Jack was on Hydra Island.
* Hurley and Miles are aware of this station after Pierre Chang threatened to send Hurley to the Hydra Island.
* Lapidus and Sun heard from this station after Richard said that Ajira Flight 316 crashed on the Hydra Island.
* Jin visited Room 23 while been captive by Charles Widmore.
* Desmond visited the Hydra in order to work for Charles Widmore.
* Sayid has visited the Hydra station when he saved Desmond from Widmore's team.
*Claire, Sun, Hurley and Lapidus were taken to the Hydra station by Widmore's team.
- See main article: The Pearl
Visitors: Pierre and Roger.
*Pierre Chang filmed the Pearl orientation video at the station.
*Roger Linus dropped some supplies to the Pearl shortly before Ben killed him.
*Kelvin and Radzinsky are both aware of the Pearl, because they worked on the blast door map.
*Danielle heard of this station, after Sayid told them about seeing Mikhail on the monitor.
- See main article: The Tempest
Visitors: Daniel, Charlotte and Kate.
* Daniel and Charlotte went to The Tempest in order to shut it down, so that Ben could not use the toxic gas against everyone on the Island. They were followed by a suspicious Juliet, Jack and Kate. However, Jack did not go inside.
* Sun and Jin are aware of the Tempest, after Kate told what happened in the 'poison gas factory'.
- See main article: The Staff
Visitors: Danielle and Roger.
*Danielle Rousseau was taken to the Staff by Claire.
*Juliet sent Roger Linus to the Staff station to get medical supplies.
*Radzinsky and Kelvin are aware of the Staff because they worked on the blast door map.
- See main article: The Staff
Visitors: Alex, Ethan, Juliet, Tom, Goodwin and Sabine.
* Ethan took Claire to the Staff in order to retrieve her unborn baby. Tom was also present at this time. Alex would later save Claire from her fate.
* Juliet took Sun to the Staff in order to determine a D.O.C. for her unborn baby. The Staff was also where Juliet left her recorded messages for Ben whilst she infiltrated the survivors.
* Ethan, Goodwin and Sabine were seen in the operating room in Juliet's flashback.
* Ben was planning to kidnap pregnant women and take them to this station. He also organized to have a taped message left for Juliet to find.
* Mikhail has a medical kit when he treats Sayid's gunshot wound.
* Richard has a medical kit when he treats Locke's gunshot wound.
- See main article: The Hydra
Visitors: Aldo, Alex, Ben, Colleen, Danny, Isabel, Ivan, Jason, Juliet, Karl, Matthew, Luke, Tom and Widmore.
* The majority of Others listed above were seen at the Hydra in the first nine episodes of Season Three.
* Richard is aware of the Hydra after saying that the Man in Black is on Hydra Island.
* Widmore stationed himself at the Hydra when he returned to the Island. He also held Jin captive there.
- See main article: The Arrow
Visitors: Goodwin.
* Goodwin is the only known Other to visit the Arrow. Whilst posing as a tailie, the Arrow was discovered and used as shelter by the tail-enders.
* Juliet is aware of the Arrow, because Horace Goodspeed mentioned it in front of her.
- See main article: The Pearl
Visitors: Locke, Mr. Eko, Sayid, Nikki, Paulo and Desmond.
* The first survivors to find the Hatch doors were Nikki and Paulo. However, it was only Paulo who actually went inside, and the two told no one else of the station's existence.
* Locke and Eko later discovered the doors and entered.
* Locke returned to the Pearl with Sayid, Desmond, Nikki, and Paulo.
* Hurley and Charlie are aware of this station, because Locke mentioned to them.
* Jack found a Pearl notebook at the capsule dump.
* Kate heard of this station, after Sayid told them about seeing Mikhail on the monitor.
* Sayid mentioned the Pearl in front of Sawyer while drugged.
* Boone crashed onto the Pearl hatch after he climbed into into the Beechcraft.
- See main article: The Flame
Visitors: Kate, Locke, Sayid, Sawyer and Jin.
* Sayid found this station, later he took Locke and Kate to this station.
* Sayid told Charlie about the station and later Charlie mentions it in front of Hurley and Desmond.
* Sawyer and Jin visit the Flame when Sayid is captured in 1977.
* Miles told Sawyer that there was a problem at the Flame.
* Jin told Sawyer, Kate, Hurley and Jack that he was going to the Flame.
* Desmond, Nikki and Paulo watched Mikhail Bakunin in the Flame.
- See main article: The Hydra
Visitors: Jack, Kate and Sawyer
* Following the kidnapping of Jack, Kate and Sawyer, the three survivors were held at the Hydra.
* The Hydra did not appear on the blast door map, meaning that Kelvin and Radzinsky were not aware of its existence.
- See main article: The Lamp Post
Visitors: None
*Hector and Glenn heard from this station by Ben.
- See main article: The Orchid
Visitors: Locke and Daniel.
* Ben, Locke and Hurley arrive at the station. Keamy and his team were already waiting outside to snatch Ben.
* Jack and Sawyer were looking for Hurley, who was at the Orchid. When they found Hurley, Jack and Locke argued about leaving the Island.
* Locke enters the actual station along with Ben.
* Daniel visits the station during it's construction, in order to warn Dr. Chang about the impending Incident.
* Locke, Sawyer, Jin and Miles find the greenhouse shortly before another time shift puts them into a time before the stations construction.
* Charlotte is aware of this station, after Locke told them that they would go to the Orchid. She was also aware of the Well outside of it.
* Kate heard of this station, after Daniel told Radzinsky that there was a problem at the Orchid.
* Sayid is aware of the Orchid, because Daniel wrote it in his journal.
* Rose, Sun and Bernard became aware of this station, after Jack asked Juliet if she knew what the Orchid is.
* Lapidus is aware of this station, because the mercenary team told him they were going there.
- See main article: The Swan
Visitors: Ben.
* Ben is the only known Other to visit the Swan, when he was held in the armory following his capture by Danielle.
* Juliet, Daniel, Charlotte and Miles saw the Hatch exterior.
* Mikhail had food with labels from the Swan in the Flame.
* Richard heard of this station, after Sayid told him that the DHARMA Initiative were building it.
* Eloise is aware of this station after reading Daniel Faraday's plan to detonate the Jughead in his journal, back in 1977.
* Tom watched the survivors in the Pearl.
- See main article: The Staff
Visitors: Claire, Kate, Sun, Rousseau, and Juliet
* Visited by Claire when she was taken by Ethan.
* Claire later returned to the station accompanied by Kate, as well as Rousseau.
* Jack also knows about the Staff's existence after Kate told him , and Kate briefly mentioned "the medical station" in front of Michael, Sawyer and Hurley.
* Also, Juliet took Sun there to tell if her conception was before or after the crash of flight 815.
- See main article: The Looking Glass
Visitors: Bonnie, Greta, Mikhail
* Bonnie and Greta appeared as occupants of the Looking Glass. .
* Mikhail was told to go to the Looking Glass. .
- See main article: The Looking Glass
Visitors: Bonnie, Greta and Mikhail.
* Bonnie and Greta appeared as occupants of the Looking Glass. .
* Mikhail was told to go to the Looking Glass. .
* Ben told the Others it was flooded.
* Juliet told Jack, Sayid and Danielle that it was flooded.
* Richard is aware of this station: Ben asked to Mikhail to go to The Looking Glass in front of him.
- See main article: The Orchid
Visitors: Ben.
* Ben lead Locke and Hurley to The Orchid in order to move the Island. Keamy and his team were already waiting outside to snatch Ben when he entered.
* Ben kills Keamy, then "moves" the Island.
* Juliet finds the greenhouse with Locke, Sawyer, Jin and Miles.
* Charles Widmore is aware of the Orchid, because he wrote about it in the Secondary Protocol.
* Eloise Hawking is aware of the Orchid because Daniel wrote about it in his journal.
- See main article: The Flame
Visitors: Bea, Ben, Juliet, Mikhail
* Mikhail is the main occupant of the Flame. Bea was seen there also.
* Ben took Juliet to the Flame in order for her to see a live video feed of her sister.
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