Holland America Line’s ms Oosterdam is joining ms Westerdam on roundtrip itineraries from San Diego, California for the upcoming 2017-2018 cruise season, according to the Seattle-based cruise company.

From September 2017 through February 2018, the ships will sail 11 seven-day cruises calling at Mazatlán, Cabo San Lucas and Puerto Vallarta, Mexico.

“Holland America Line’s last season in Mexico was very popular so we are adding capacity for the next season so that more of our guests can enjoy these itineraries that truly showcase the allure of the destination,” said Orlando Ashford, president of Holland America Line. “Our Mexico cruises offer convenience and ease, especially for a multigenerational family looking for a unique vacation. By calling at three ports, we’re able to fully immerse our guests in the culture, history, entertainment, recreation and cuisine of the country.”

During the Mexican Riviera cruises both ships will call at Cabo San Lucas, Mazatlán and Puerto Vallarta and offer three days at sea. 

To kick off the season, Oosterdam departs on Sept. 30 with two back-to-back seven-day sailings.

Westerdam departs Nov. 24, 2017, on the first of two seven-day Mexican Riviera cruises.

The ship’s other cruise departs Dec. 1. Oosterdam follows up with two similar Holiday sailings Dec. 20 and 27 and then departs on the same Mexican Riviera itinerary Jan. 3 and 10 and Feb. 4, 11 and 25.

During the sail into San Diego, guests are treated to scenic cruising past Coronado Island, Cabrillo National Monument and Point Loma. The ships conveniently dock near downtown, said the cruise line.