The main advantage of transporting goods by water is the cost-efficiency, especially for large quantities of goods. Water transport is particularly well-suited for bulk cargo like raw materials, oil, and coal, making it an affordable option for international trade. Moreover, shipping by water is often more sustainable than other methods of transport, as ships are more fuel-efficient when compared to trucks or airplanes for long-distance transport.

However, there are also several drawbacks to water transportation. One of the biggest disadvantages is its slow speed, which makes it less suitable for time-sensitive deliveries. The vulnerability of ships to weather conditions, such as storms and rough seas, can lead to delays and increased risks. Additionally, port congestion and the need for large infrastructure in ports can hinder the efficiency of water transport.

Environmental concerns are another significant drawback of transporting goods by water. Shipping vessels, especially those using older technology, can emit large amounts of greenhouse gases and contribute to marine pollution. While water transport is generally considered more eco-friendly than other methods, it still poses a threat to the environment, and sustainability practices in the shipping industry are essential for mitigating these impacts.