Amends the National Maritime Heritage Act of 1994 to make 25% of the amount credited to the Vessel Operations Revolving Fund that is attributable to the sale of obsolete vessels in the National Defense Reserve Fleet that are scrapped or sold available: (1) to carry out the National Maritime Heritage Grants Program; or (2) for the preservation and presentation to the public of maritime heritage property of the Maritime Administration.

Establishes a program for the improvement of port facilities and a Port Infrastructure Development Fund.

Directs the Secretary to establish and implement a short sea transportation program of grants to: (1) facilitate and support marine transportation initiatives at the state and local levels to facilitate commerce, mitigate landside congestion, reduce the transportation energy consumption, reduce harmful emissions, improve safety, assist in environmental mitigation efforts, and improve transportation system resiliency; and (2) provide capital funding to address short sea transportation infrastructure and freight transportation needs for ports, vessels, and intermodal cargo facilities.

Authorizes appropriations for the Maritime Administration for FY2010.

States that the Administration has authority to make contracts and cooperative agreements.

Authorizes the Maritime Administrator to use up to 3% of grant programs for administrative and related expenses.

(Sec. 3) Amends the National Maritime Heritage Act of 1994 to make amounts credited to the Vessel Operations Revolving Fund from the sale of obsolete vessels in the National Defense Reserve Fleet available for preservation of the Administration's maritime heritage property.

(Sec. 4) Authorizes the Administration to use appropriated funds to make a lump-sum payment at a rate of pay that existed on the date of termination or day before conversion to the Civil Service for any unused annual leave accrued by a non-appropriated fund instrumentality employee who was terminated if determined ineligible for conversion, or converted to the Civil Service as a United States Merchant Marine Academy employee during FY2009.

(Sec. 5) Makes the authority of the Administrator to hire adjunct professors at the United States Merchant Marine Academy permanent.

(Sec. 6) Directs the Administration to: (1) credit midshipman fees to a separate account within its operations and training appropriations for expenses directly related to fee purposes; and (2) maintain a separate accounting of fee revenue and associated expenses.

Authorizes excess fees to be returned to a midshipman through an Administration-approved mechanism.

(Sec. 8) Establishes a Port Infrastructure Development Program and a Port Infrastructure Development Fund.

Authorizes appropriations.

(Sec. 9) Authorizes the Administration to convey obsolete vessels for marine conservation reef creation to a U.S. territory, possession, Commonwealth, or foreign country. Prohibits any financial assistance to a foreign country to prepare a transferred ship for such use.

(Sec. 10) Eliminates the requirement that the Administration pay student incentive payments at the beginning of the school year.

(Sec. 11) Directs the Administration to: (1) credit nonappropriated funds received to a separate account within its operations and training appropriations for expenses directly related to the Academy master's program; and (2) maintain a separate accounting of revenues and associated expense

(Sec. 12) Directs the Secretary to establish a short sea transportation program of grants to: (1) support state and local marine transportation initiatives to facilitate commerce, mitigate landside congestion, reduce transportation energy consumption, reduce harmful emissions, improve safety, assist in environmental mitigation efforts, and improve transportation system resiliency; and (2) provide capital funding to address short sea transportation infrastructure and freight transportation needs for ports, vessels, and intermodal cargo facilities.

(Sec. 13) Directs the Secretary to expand the Marine View system so that it is able to identify, store, and securely distribute throughout the marine transportation system information that: (1) provides access to diverse marine transportation system data sources; (2) enables a system-wide view of the marine transportation system; (3) fosters U.S. government-private entity partnerships; (4) monitors marine transportation system threats; and (5) ensures the economic viability of U.S. waterways.

Authorizes FY2010-FY2013 appropriations.

(Sec. 14) Authorizes FY2010 appropriations to the Administration for: (1) operations and training activities, including Academy costs; (2) maintenance of a U.S.-flag merchant fleet to serve U.S. national security needs; (3) reimbursement for the maintenance and repair pilot program; (4) disposition of obsolete vessels in the National Defense Reserve Fleet; and (5) certain loan guarantees and administrative costs.