here is the tour info from Marriott in 2016 sent to me.
Leaving from Disney’s Hotel New York: Magical Day Tour of Paris and Visit of the Louvre Museum.: Discover the major sites: Notre-Dame Cathedral, Place de la Concorde, Avenue ChampsElysées, Arc de Triomphe, a boat cruise down the Seine River and visit on your own of the Louvre Museum. Price: 95 euro per adult , 65 euro children 3-11 years old Every day except Tuesday, 1st Sunday of each month October to March, April 3rd, May 1st, July 14th, December 24 th & 25th, Jan1st. Included: transportation in a luxury air conditioned coach, free time to have lunch in the Louvre district, recorded commentary and personal earphone sets, tickets for the Seine River Cruise and the Louvre Museum with priority access to both, departure and return to Disney’s New York Hotel. For advance reservations, please send us the date and number of adults and children and their ages.
also-this was for summer, but might also run in March. If you are willing to pay for the 4th person, they might let you sign up with 3 persons, in case the minimum is not met.
Paris Shuttle go/return from the Resort to central Paris Pick up from the resort lobby at 11am on Monday, Wednesday and Friday and return pick up from central Paris at 8pm. Price: 40 euro per person for a round trip Sign up with the concierge maximum 07:30pm on the Sunday, Tuesday or Thursday. A minimum of 4 people are required to sign up for the shuttle to go.