Encore Boston Harbor is opening after months of turmoil and uncertainty.

The $2.6 billion Wynn resort opening June 23 has transformed a contaminated property into a waterfront attraction.

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In this June 12, 2019 photo, Encore Boston Harbor casino looms over the neighborhood in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoPhilip Marcelo)

Encore Boston Harbor is opening after months of turmoil and uncertainty.

FILE - In this May 22, 2019 file photo, Encore Boston Harbor casino looms above the surrounding neighborhood in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

Encore Boston Harbor President Robert DeSalvio says the casino will offer a range of luxurious transportation options to ease congestion, including water shuttles and coach buses.

FILE - In this May 22, 2019 file photo, Encore Boston Harbor casino logo looms above the surrounding neighborhood in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

FILE - In this May 22, 2019 file photo, Encore Boston Harbor casino logo looms above the surrounding neighborhood in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

FILE - In this May 22, 2019 file photo, Encore Boston Harbor casino nears completion in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

FILE - In this May 22, 2019 file photo, Encore Boston Harbor casino nears completion in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

FILE - In this May 22, 2019 file photo, a man fishes in the Mystic River in Somerville, Mass., across from the Encore Boston Harbor in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

FILE - In this May 22, 2019 file photo, a man fishes in the Mystic River in Somerville, Mass., across from the Encore Boston Harbor in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

In this June 7, 2019 photo, Encore Boston Harbor casino president Robert DeSalvo sits in the company's administrative office in Medford, Mass. The casino is scheduled to open in nearby Everett on Sunday, June 23. (AP PhotoPhilip Marcelo)

In this June 7, 2019 photo, Encore Boston Harbor casino president Robert DeSalvo sits in the company's administrative office in Medford, Mass. The casino is scheduled to open in nearby Everett on Sunday, June 23. (AP PhotoPhilip Marcelo)

In this June 7, 2019 photo, Encore Boston Harbor casino president Robert DeSalvo, right, speaks to Everett Mayor Carlo DeMaria in the company's administrative office in Medford, Mass. The casino is scheduled to open in nearby Everett on Sunday, June 23. (AP PhotoPhilip Marcelo)

In this June 7, 2019 photo, Encore Boston Harbor casino president Robert DeSalvo, right, speaks to Everett Mayor Carlo DeMaria in the company's administrative office in Medford, Mass. The casino is scheduled to open in nearby Everett on Sunday, June 23. (AP PhotoPhilip Marcelo)

Everett Mayor Carlo DeMaria hopes the project can also turn around his city's industrial reputation. But Boston commuters are bracing for a traffic nightmare.

In this June 12, 2019 photo, Encore Boston Harbor casino looms over the neighborhood in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoPhilip Marcelo)

In this June 12, 2019 photo, Encore Boston Harbor casino looms over the neighborhood in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoPhilip Marcelo)

Encore Boston Harbor President Robert DeSalvio says the casino will offer a range of luxurious transportation options to ease congestion, including water shuttles and coach buses.

Lasell College casino expert Paul DeBolle says the resort will likely fall short of its revenue projections, following a similar trend by other new Northeast casinos.

But Alex Bumazhny, who works for the ratings agency Fitch, says the casino is better placed to meet its revenue goals because it's the lone casino approved for the affluent and populated Boston-area.

FILE - In this May 22, 2019 file photo, Encore Boston Harbor casino looms above the surrounding neighborhood in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

FILE - In this May 22, 2019 file photo, Encore Boston Harbor casino looms above the surrounding neighborhood in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

FILE - In this May 22, 2019 file photo, Encore Boston Harbor casino logo looms above the surrounding neighborhood in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

FILE - In this May 22, 2019 file photo, Encore Boston Harbor casino logo looms above the surrounding neighborhood in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

FILE - In this May 22, 2019 file photo, Encore Boston Harbor casino nears completion in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

FILE - In this May 22, 2019 file photo, Encore Boston Harbor casino nears completion in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

FILE - In this May 22, 2019 file photo, a man fishes in the Mystic River in Somerville, Mass., across from the Encore Boston Harbor in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

FILE - In this May 22, 2019 file photo, a man fishes in the Mystic River in Somerville, Mass., across from the Encore Boston Harbor in Everett, Mass. The casino is scheduled to open on Sunday, June 23. (AP PhotoMichael Dwyer, File)

In this June 7, 2019 photo, Encore Boston Harbor casino president Robert DeSalvo sits in the company's administrative office in Medford, Mass. The casino is scheduled to open in nearby Everett on Sunday, June 23. (AP PhotoPhilip Marcelo)

In this June 7, 2019 photo, Encore Boston Harbor casino president Robert DeSalvo sits in the company's administrative office in Medford, Mass. The casino is scheduled to open in nearby Everett on Sunday, June 23. (AP PhotoPhilip Marcelo)

In this June 7, 2019 photo, Encore Boston Harbor casino president Robert DeSalvo, right, speaks to Everett Mayor Carlo DeMaria in the company's administrative office in Medford, Mass. The casino is scheduled to open in nearby Everett on Sunday, June 23. (AP PhotoPhilip Marcelo)

In this June 7, 2019 photo, Encore Boston Harbor casino president Robert DeSalvo, right, speaks to Everett Mayor Carlo DeMaria in the company's administrative office in Medford, Mass. The casino is scheduled to open in nearby Everett on Sunday, June 23. (AP PhotoPhilip Marcelo)