Free-to-play players can fish for lobsters on Karamja or in the northeast corner of the wilderness.
Common lobsters can occasionally be found in the intertidal zone but prefer deeper water of 10 to 50 meters. They are mainly found on rocky seabeds that provide holes and crevices for the lobster to hide in.
Catherby is the recommended location for players with fishing level below 68 to catch lobster. Players with fishing level 63-67 can also use boosts like the Admiral Pie to gain access to the Fishermen’s Guild.
Non-members can catch raw lobster at Musa Point by going to Port Sarim with a lobster pot and gold for food. If you speak to the sailors they will take you to Musa Point where you can head northwest to reach the fishing pier.
Raw lobsters can be caught with a fishing level of 40 or higher and grant 90 fishing experience. They can be caught at any cage/harpoon spot with a lobster pot. Raw lobsters can be cooked at cooking level 40 or higher, granting 120 experience on a stove and 132 on a campfire.
The more exciting way to catch lobsters is to just get in the water and look for them yourself, and you can do this any time of the day. Put on your snorkeling or scuba gear and a pair of gloves. Grab a tickle stick and net and dive in, combing the rocky areas, coral and ledges for lobster antennae.
The Corsair Cove resource area is a more profitable fishing spot for F2P players than Musa Point, as they are charged 60 gp for each trip from Musa Point to the nearest locker (in Port Sarim) and back. To access the Fishing Spot, players must have completed the Dragon Slayer I quest.
Fishing lobster at a fairly high level between level 40 and 62 earns players, especially non-members, a lot of money. However, it is not recommended to fish lobsters if a player can fish monkfish as lobsters will only bring in around 23,310 to 69,930 per hour assuming between 111 and 333 lobsters are caught.
At level 50, swordfish fishing becomes a viable option, providing faster experience than lobster, although it still provides less experience than fly-fishing (until you level up much higher).
A Raw Rainbow Fish is an item obtained by level 38 Fishing skill. They require a fly rod and striped feathers (obtained via the Hunter skill) to catch them, and each one catch grants 80 fishing experience.
Crude sharks can be caught at most net/harpoon sites; Some locations are the Fishermen’s Guild, Catherby, Burgh de Rott, Rellekka, Jatizso and northwest of the elven camp. Sharks can also be eaten by Granite Lobster, a level 74 summoning familiar.
To join the guild, players must be a chef level of 32 and must be wearing a chef’s hat, a sous chef’s hat, or a member’s chef’s cape, the latter of which requires mastery of the wearing skill . A max cape can also be used. Higher level players can participate freely after completing the difficult section of the Varrock quests.
Members generally fish tuna with Catherby or the Fishing Guild. Since Swordfish is also caught in the same fishing spots, Tuna is sometimes found a nuisance by players looking for Swordfish. hence it is often dropped from Cage/Harpoon spots.