Pirate's Treasure/Quick guide

Captain Redbeard

 * Talk to Redbeard Frank on the northernmost Port Sarim dock.
 * Travel to Karamja for 30 coins.

The Island of Karamja

 * Head west to the Karamja Wines, Spirits, and Beers bar and buy one Karamjan rum for 30 coins.
 * Do not try to leave the island with the rum.
 * Talk to Luthas the banana farmer about the customs workers, then ask him for a job.
 * Put your rum in the crate, then fill it with 10 bananas from the nearby trees.
 * Talk to Luthas and get your payment from him. Ask him where the crate goes.
 * Take the boat back to Port Sarim.

Back at Port Sarim

 * Take a white apron from the fishing store.
 * Attempt to enter the back room of the food shop, Wydin will stop you. Ask him for a job.
 * Search the crate with the banana on it to get the rum.
 * Give the rum to Redbeard Frank, he will give you a key.
 * Go upstairs in the Blue Moon Inn in Varrock and use your key on the chest. Read the pirate message.



Buried Treasure

 * Dig in Falador park, kill the Gardener.
 * Dig again to get a casket.
 * Quest complete!