The package of drugs found on Lucy Vincent Beach in July was estimated to be worth between $864,000 and $1.3 million and likely connected with drug cartels in South America, officials said Monday.

An Oak Bluffs man has been charged with heroin trafficking following a drug bust last week, Tisbury police said in a statement.

Two Island men were arraigned Thursday morning in Dukes County superior court on charges of distributing drugs on Martha’s Vineyard.

John P. Hathaway Jr. was sentenced to two years in state prison after pleading guilty last week to trafficking in fentanyl.

An Edgartown man is being held on $100,000 bail following a Monday arrest for allegedly trafficking in fentanyl, a deadly narcotic that is used as a substitute for heroin.

A Dukes County grand jury indicted two people on Monday, one on drug trafficking charges and another for statutory rape.

Mitefea Kelly, 18, was indicted on one count of trafficking cocaine in the amount of 200 grams or more.

Ms. Kelly, a New York resident, was arrested in August for allegedly coming to the Island with more than 270 grams of cocaine, part of what members of the Martha’s Vineyard Drug Task Force said was an operation to bring large amounts of cocaine to the Vineyard. Bail was set in her case at $200,000

The spring sitting of Dukes County superior court wrapped up this week, with a jury convicting a Jamaica Plain man of drug trafficking. Several trials scheduled for the October superior court session.

Two Island men were arrested this week in connection with a nearly 10-month investigation into a large-scale drug trafficking operation by the federal Drug Enforcement Agency (DEA) and the Martha’s Vineyard Drug Task Force. The arrests led to search warrants being issued in three different states.

Sean Herrmann, 31, was arrested by a federal drug enforcement task force at his residence in East Greenbush, N.Y. last Wednesday on federal charges of drug possession and distribution, DEA special agent Erin McKenzie-Mulvey said.