Sea turtles can be cooked by players who have level 82 Cooking or higher. Sea turtles heal 21 hitpoints in one serving. With a Cooking level of 99 and cooking gauntlets, players still burn roughly one out of every four sea turtles. By adding a Chef's delight barrel in a player-owned house (unlimited uses to raise Cooking +5%) with cooking gauntlets and a Cooking level of 99, players will burn roughly three out of every twenty, or 15%. With a Cooking level of 99 and using the Cooking cape, players will stop burning them. One of the best places for cooking sea turtles is at the Lumbridge Castle range.
Sea turtles can be difficult to sell because sharks are more easily obtained and cheaper.