1st cruise ship docks in Puerto Rico since pandemic began

A crew member checks docking ropes from the inside of Carnival's Mardi Gras cruise ship, docked in the bay of San Juan, Puerto Rico, Tuesday, Aug. 3, 2021, marking the first time a cruise ship visits the U.S. territory since the COVID-19 pandemic began. (AP Photo/Carlos Giusti)

Tourists exit Carnival's Mardi Gras cruise ship after it docked in the bay of San Juan, Puerto Rico, Tuesday, Aug. 3, 2021, marking the first time a cruise ship visits the U.S. territory since the COVID-19 pandemic began. (AP Photo/Carlos Giusti)

Tourists take pictures after exiting Carnival's Mardi Gras cruise ship, docked in the bay of San Juan, Puerto Rico, Tuesday, Aug. 3, 2021, marking the first time a cruise ship visits the U.S. territory since the COVID-19 pandemic began. (AP Photo/Carlos Giusti)

Tourists walk through the docking area after exiting Carnival's Mardi Gras cruise ship, docked in the bay of San Juan, Puerto Rico, Tuesday, Aug. 3, 2021, marking the first time a cruise ship visits the U.S. territory since the COVID-19 pandemic began. (AP Photo/Carlos Giusti)

Passengers exit Carnival's Mardi Gras cruise ship, docked in the bay of San Juan, Puerto Rico, Tuesday, Aug. 3, 2021, marking the first time a cruise ship visits the U.S. territory since the COVID-19 pandemic began. (AP Photo/Carlos Giusti)

Tourists look at cigars for sale at the Old San Juan dock after the arrival of Carnival's Mardi Gras cruise ship in San Juan, Puerto Rico, Tuesday, Aug. 3, 2021, marking the first time a cruise ship visits the U.S. territory since the COVID-19 pandemic began. (AP Photo/Carlos Giusti)

Cruise ship passengers Tom Seuberling, of Florida, and his daughter Shawn, of North Carolina, wait for a tour guide after getting off Carnival's Mardi Gras cruise ship, docked in the bay of San Juan, Puerto Rico, Tuesday, Aug. 3, 2021, marking the first time a cruise ship visits the U.S. territory since the COVID-19 pandemic began. (AP Photo/Carlos Giusti)

Ivanelis Jimenez, front, and Veronica Barreto pose for the camera wearing Puerto Rican flag dresses as they welcome passengers exiting Carnival's Mardi Gras cruise ship, docked in the bay of San Juan, Puerto Rico, Tuesday, Aug. 3, 2021, marking the first time a cruise ship visits the U.S. territory since the COVID-19 pandemic began. (AP Photo/Carlos Giusti)

SAN JUAN, Puerto Rico (AP) — The Carnival Mardi Gras docked Tuesday in Puerto Rico — the first time a cruise ship has visited the U.S. territory since the pandemic began.

Some cautiously celebrated the arrival. It comes as Puerto Rico has reported an increase in COVID-19 cases blamed on the Delta variant but also as it seeks to restart its crucial tourism sector, which depended largely on record numbers of cruise ship passengers in recent years.

Carlos Mercado, executive director of Puerto Rico’s Tourism Company, told The Associated Press that the government took several precautions to prevent the spread of COVID-19, including allowing only those who are fully vaccinated to disembark.

He said the ship was traveling at 70% capacity, with some 4,500 people aboard, and that he estimates a total of 3,500 will disembark. Mercado noted that 95% of the ship’s passengers are vaccinated, with children younger than 12 making up the majority of those who have not been inoculated.

The visit was expected to generate some $360,000 during the nine hours that the ship is docked in the historic part of Puerto Rico’s capital known as Old San Juan.

“This is incredibly important for us,” Mercado said, noting that Puerto Rico’s hotel and aviation sector has boomed in recent months. “This is what we were missing.”

Passengers began to trickle out of the ship to the sounds of Puerto Rico's traditional bomba and plena music filling a nearby plaza while artisans prepared their wares and government officials distributed maps of the historic cobblestone district.

Passenger Tom Seuberling, of Oak Hill, Florida, said he was impressed by the health protocols aboard the ship.

“You had to have proof of vaccination. They got sanitation throughout the ship. They make sure that you don’t contaminate food bars. They have been very cautious about cleaning the rooms,” he said. “It has been a remarkable job.”

Mercado said the ship will dock twice more this month, generating an estimated total of $1.2 million for August. He added that starting next month, a Royal Caribbean cruise ship will start using San Juan as its base port, and that by next year, he expects the cruise schedule to go back to normal.

Puerto Rico Gov. Pedro Pierluisi said that visits of the Carnival Mardi Gras and Carnival Celebration in the next two years alone will deliver an estimated 300,000 passengers and generate some $28 million for the island's tourism sector, which represents nearly 7% of its economy.

Some 1.9 million cruise passengers visited Puerto Rico in 2019, a record for the island, according to tourism spokeswoman Astrid Rolón.

The Carnival Mardi Gras departed Port Canaveral, Florida, and Puerto Rico was its first stop.

The island of 3.3 million people has reported more than 127,500 confirmed COVID-19 cases and more than 2,500 deaths. Some 1.9 million people are fully vaccinated.

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AP photographer Carlos Rivera contributed to this report.