A 19-year-old Edgartown man has been ordered to pay thousands of dollars of restitution and write letters of apology to victims of a string of thefts in three Island towns last fall and winter.

Glenn Goulart had faced various charges in three dozen cases filed in Edgartown district court after his arrest and that of two other Island teens, both juveniles, last February.

The crime spree spanned nearly four months, beginning last October, and targeted construction sites, homes, businesses and boats in Edgartown, West Tisbury and Chilmark, and involved the loss or damage to hand tools, construction site equipment, power tools, landscaping equipment, electronic equipment, stereo equipment and boat gear.

Before district Judge Bernadette L. Sabra on Sept. 2, Mr. Goulart pleaded guilty to charges of malicious destruction of property and another of larceny under $250, according to court records made available this week.

In addition, he also admitted to sufficient facts on dozens of other charges, including breaking and entering, but they were continued without a finding for three years, during which he will be on probation.

On one of the guilty pleas, he served three days in jail with the rest of a two-month sentence suspended, and on another he received a suspended one-year jail sentence.

A court probation report indicates Mr. Goulart and the two others are responsible for a total of $35,277 in restitution to the victims. The report indicates Mr. Goulart’s share of restitution is $13,855, but could go as high as $35,277 if the other two defendants fail to pay their share, an official said.

Because the other teens are juveniles, their status was not disclosed by the court.

Mr. Goulart also was ordered to write letters of apology to many of the victims, and those letters are due at the probation office early next month, according to court documents.

His attorney, Charles Morano, did not return a phone call seeking comment. Cape and Islands assistant district attorney Laura Marshard said she had asked for a stricter sentence. “It was an unagreed-upon plea; I was asking for felony and misdemeanor conviction with six months in a house of correction. The defense asked for something less. The judge went for something in the middle,” Ms. Marshard said.

The police departments of the three towns collaborated on the cases that yielded the arrest of Goulart and the juveniles in mid-February. During earlier questioning, Goulart and one of the juveniles admitted “that most of the items stolen are located at five different properties throughout Edgartown and West Tisbury,” according to a police report filed with the court.

Police said that search warrants executed at the properties resulted in the recovery of hundreds of tools and electronics, and “most of the items recovered had been reported stolen from multiple victims.”

Ms. Marshard underscored the impact of the crimes. “This four-month spree . . . really wreaked havoc on peoples’ businesses here . . . they hit the victims repeatedly and devastated the livelihood of many Island businesses. And on top of that it took a tremendous amount of police resources to investigate and track these cases,” she said.