- Underwater Breathing Potions: These potions are sold by various merchants throughout the world and can be crafted by alchemists. They provide a temporary buff that allows the player to breathe underwater for a set amount of time.
- Aquatic Elixir: This item is created by players who have achieved the Master Angler achievement. It provides a buff that allows the player to breathe underwater indefinitely, but cannot be sold or traded.
- Water-Walking Mount: Some mounts have the ability to walk on water, allowing the player to traverse the surface of the water without needing to breathe. Examples of such mounts include the Water Strider and the Sea Turtle.
- Dive Helm and Bubblegum: These two items are used in combination with each other and work best in conjunction with the Underwater Breathing Potions. The Dive Helm will automatically keep your character breathing while underwater; however, it's time limit is only 30 seconds. Using a BubbleGum will extend your Dive Helm's time limit to several minutes.