Encounter with "Zeke"

• Seen in S02E11: Locke, Jack and Sawyer are following Michael, who is heading north
• They are hiking on the slopes of the western mountains (see screenshots)
• Distance between the location of the encounter and the "Fake camp": One day and one night (mentioned by Michael in S02E22)
• The location of the encounter is about one day away from the Losties camp

Tail section crash site

• Located at the west coast of the island
• The beach is facing ~270-300 degree
• The exact position can be seen in S03E01 (see screenshot)

Henry Gale's balloon

• Somewhere in the central valley (see screenshot of Henry's map)
• Distance from the Losties: at least a day (stated by Sayid)
• On their hike to the balloon, Ana-Lucia, Sayid and Charlie made a little camp to stay overnight

Desmond's boat

• probably located somewhere near the crater (see crater)


• maybe not seen by the Losties because there is a cliff around the bay (see screenshot)

Crater

• The location of the crater can be seen on Rousseau's map (e.g. here)
• Area passed by Rousseau, Kate, Locke, Jack, Hurley and Arzt in S01E23 on their way to the Black Rock (see screenshots)
• Area passed by Charlie and Sayid in S01E24 on their way to get back Aaron
• Probably the same location as the "unpassable area" (see Unpassable coast area)
• Probably the position of Desmond's boat
• Edit (04/15/07): The place seen in S03E16 where Juliet talks to Ben about her sister seems to be in a similar terrain (see 4th screenshot). Thanks to Kimeee for alerting me to this

Unpassable coast area

• Taillies could not pass this area in S02E06
  
• Probably the position of Desmond's boat (see screenshot)
• The brown rock surface might indicate that it's close to the crater
• Similar area passed by Rousseau, Kate, Locke, Jack, Hurley and Arzt in S01E23 on their way to the Black Rock (see Crater)
• Similar area passed by Charlie and Sayid in S01E24 on their way to get back Aaron (see Crater)

The Black Rock

• Located in the "Dark Territory" (close to the Antenna)

Black smoke

• Appeared in the season one finale
• Located on the east coast (see screenshot)
• Approx. NE of the second beach camp

Beechcraft/Pearl station

• Charlie and Sayid passed the beechcraft when they were after Danielle to get Aaron back (S01E24)

The hatch/Swan station

• About half a mile away from the caves (stated by Jack in S02E01)
• Mountains near the side entrance (see screenshot)

Danielle's hideout

• Sayid showed the area of Danielle Rousseau's hideout in S01E18 (see details)
• Located in the "Dark Territory" (according to Sayid)
• The Losties get to Danielle's hideout by crossing a plank bridge in S01E18 (see screenshot)
• The bridge may be located in the central valley

Second beach camp

• The survivors moved up the beach in S01E12


• Located north of the first beach camp (see screenshot)
  

Lake found by Kate and Sawyer

• Found by Kate and Sawyer in S01E12
• Quite a distance away from the crash site (mentioned by Sawyer)

Caves

• Located "up in the valley" (S01E05)

Cockpit/Front section crash site

• On the search for the cockpit/front section of the plane, Kate, Jack and Charlie are hiking inland up the valley (S01E01)
  
• They are passing the area later used as the golf course (see screenshot)
  

Fuselage crash site and the first beach camp

• The fuselage crash site is the first location of the survivor's beach camp
  
• It's located near a mountain/crater in the south
• The beach is facing west (see screenshot)