Massachusetts’s three casinos generated approximately $101.9 million in gross gaming revenue (GGR) in August, a modest increase from the $95.7 million in July.
Massachusetts Gaming Commission figures show that Encore Boston Harbor accounted for $62.8 million in combined slot and table GGR, followed by MGM Springfield at $23.8 million and Plainridge Park with $15.1 million.
Additionally, just over $47 million in taxable sports wagering revenue was generated by the seven mobile operators and three retail sportsbooks in August.
Under state law, Plainridge Park, a Category 2 casino, is taxed at 49% of GGR, while MGM Springfield and Encore Boston Harbor as Category 1 casinos are taxed on 25%. Since each facility opened, the state has collected $2.5 billion in total taxes and assessments from the three casinos.
As for sports betting revenue, Encore reported $2.1 million in wagers settled, with taxable revenue of $213,936 and $32,090 in taxes paid. MGM reported $600,791 in wagers settled in August, but did not report any taxable revenue or taxes paid, while Plainridge Park posted $2.04 million in wagers settled, $224,640 in taxable revenue, and $33,646 in taxes paid.
The three casinos, which operate retail sportsbooks, are taxed on 15% of total sports wagering revenue, according to the MGC.
DraftKings topped the list in August with the most wagers settled at $275.1 million, with taxable revenue of $22.8 million and a tax payment of $4.5 million. That was followed by FanDuel with $144.4 in wagers settled, $12.8 million in taxable revenue, and $2.8 million in taxes.
Mobile operators, also known as Category 3 operators, are taxed at 20% of total sports wagering revenue.
Fanatics generated $62.2 million in wagers settled, $4.3 in taxable revenue, and $862,121 in taxes, followed by BetMGM posted wagers settled of $48.8 million, with $3.9 million in taxable revenue, and taxes paid of $780,341, and Caesars with $18.2 million in wagers settled, $1.4 million in taxable revenue, and $288,243 paid to the state.
The ScoreBet reported $14.2 million in wagers settled, $1.2 million in taxable revenue, and $259,681 in taxes, with Bally Bet posting $2.8 million in wagers settled, $328,699 in taxable revenue and $65,739 in taxes.
To date, Massachusetts has collected approximately $500.3 million in total taxes and assessments from sports betting operators since the law legalizing retail wagering began on January 31, 2023, and online betting on March 10, 2023.
According to the MGC, when an operator’s adjusted sports wagering revenue receipts for a month is a negative number, because the winnings paid to gamblers and federal excise tax paid exceed the operator’s total gross receipts, state law allows the operator to carry over the negative amount in tax liability to returns for subsequent months.


