As far as I know you cannot use a crossbow to get from Port Sarim to Karamja. You would have to go to the sailor and pay to get on the boat and sail there.
Good luck!
Karamja is a place in a online game called Runescape.
You have to hunt it in karamja.
there are a lot of imps near karamja volcano on karamja island
No, there are no Golden Crossbows in Runescape.
No, there is no way of obtaining any sort of Golden Crossbow, as there are none existing in Runescape, currently.
It is through the cave entrance under the Karamja volcano.
Karambwan-Ji and Raw Karambwan.
In Karamja. Travel to Karamja from Port Sarim by boat. And go north of banana plantation. There is fishing spot for lobster.
It's located on the Free-to-Play section of Karamja, and it takes up about half of that section. If you go on a ship from Port Sarim and travel to Karamja, keep going west from the dock and you will get to the volcano shortly.
For free-to-play players, that would be at the Karamja fishing spot.
Only if you are member and that you are on Karamja Island, then you can attack a snake and get snakeskin.
60 gold, or with karajama gloves only 30