CASTINE — More than 200 students graduated from Maine Maritime Academy (MMA) Saturday, May 5, after hearing that they hold the key to the maritime industry’s future.

“You will determine whether this industry takes a next step or a giant leap forward,” said commencement speaker David T. Matsuda, the nation’s maritime administrator.

Matsuda, who received an honorary doctorate Saturday, told graduates that the world’s oceans are the “arteries that carry the lifeblood of the world economy.” Innovation has been lagging in the maritime field, he said, and it will be up to those entering the field to change that.

“One of you will be this industry’s Steve Jobs,” said Matsuda, referring to the late founder of the computer company Apple. “One of you will be the next Malcom McLean.”

McLean was an American entrepreneur credited with inventing the metal shipping container in the 1950s, which Matsuda described as one of the last big innovations in the industry.

Among the graduates, 176 students received bachelor of science degrees, while another 30 were granted associate in science degrees. Twelve students earned master of science degrees.

According to a press release from MMA, the Class of 2012 represents more than 100 Maine communities and 21 other states, as well as Canada, China, Kuwait, Saudi Arabia and Ukraine.

MMA President William J. Brennan told graduates they were joining the Maine Maritime family and that no matter where their careers take them they will always have a home in Castine.

Brennan, like several other speakers, wished graduates “fair winds and following seas.” In keeping with his theme of family and home, however, he included an additional wish in his comments.

“I wish you a tide that will always bring you back to our shores,” he said.

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