Waqua is an Okinawa-based startup that manufactures small desalination devices under the vision of "delivering safe freshwater to the world." Waqua has the technology to make small devices optimized for all kinds of water desalination, from pool water to seawater. Their strength is that the device is compact, inexpensive, and processes a relatively large amount of water per unit weight. Potential applications include small offshore fishing boats, coastal areas, remote islands, and construction site with no water supply infrastructure.