Navios Maritime Partners L.P. is an international owner and operator of dry cargo and container vessels. The Company is engaged in the seaborne transportation services of a range of dry cargo commodities, including iron ore, coal, grain and fertilizer, and also containers, chartering its vessels under medium to long-term charters. It focuses on providing seaborne shipping services under long-term time charters. As of December 31, 2016, it controlled 12 Panamax vessels, nine Capesize vessels, three Ultra-Handymax vessels and seven container vessels. Panamax vessels are vessels capable of carrying a range of dry cargo commodities, including iron ore, coal, grain and fertilizer and being accommodated in various discharge ports. Capesize vessels are dedicated to the carriage of iron ore and coal. Ultra-Handymax vessels are similar to Panamax vessels although with less carrying capacity, and have self-loading and discharging gear on board to accommodate undeveloped ports.