Alright, you've got your sea legs. Now it's time to get serious. The training wheels are off, the waves are bigger, and yes, the loot gets a whole lot shinier.
This is where you start making actual money. Look for floating debris or bubbles on the surface. Dive down, grab the loot, and try not to drown.
Pro Tip: Upgrade your oxygen tank immediately. Passing out underwater wakes you up in Lumbridge, and that's a long walk back.
Tired of clicking? This is the "Netflix & Sail" method. You literally just sail around the island charting the coastline. It's low effort, decent XP, and zero risk. Perfect for when you want to turn your brain off.