A floating jetty and new lift will be built at Farmoor Reservoir after a charity scooped £80,000 during a televised competition.
The pontoon project won the cash as part of the National Lottery's People's Millions, run in conjunction with ITV's Thames Valley Tonight news programme, on Thursday.
Viewers voted for projects they wanted to win one of the five grants on offer on the programme, which was run in partnership with the Big Lottery Fund.
The money will go towards building a floating jetty and lift to help disabled sailors and their helpers get in and out of boats more easily.
Accessible Sailing, the charity behind the project, had already raised £120,000 - now the £80,000 grant will provide enough funds to start on the first phase of construction next spring.
Bill Proctor, secretary of Accessible Sailing, said: "We are absolutely delighted. The project has been under consideration now for about four years.
"Our users would much rather use a lift than run their wheelchairs down a 60ft ramp. The pontoon at the moment is made out of plastic - it's very unstable and it bobs up and down. It's approached down a flight of steps. There's no way a wheelchair could get to the existing pontoon."
Mr Proctor added he hoped the new facilities would attract paralympic sailors to train at the club.
Currently boats used by disabled people are launched into the water from the beach end of the reservoir.
Volunteers have to lift disabled sailors into the boats, then wade thigh-high into the water, pushing the boats until they float.
Nigel Vick, who has been running the School Sailing Association at Farmoor for 27 years, said: "This project sends out a message that disabled people can take part in this activity independently.
"The pontoon will make it as easy for disabled sailors to take part in this great activity as it is for able-bodied sailors."
This is the third year the Big Lottery Fund and ITV have teamed up for the show.
Last year's contest saw almost 350,000 viewers cast votes to give 85 projects a share of more than £4.2m.
Last night, Bicester Athletics Club celebrated after winning its bid for Big Lottery Funding. The club, which plans to upgrade facilities in order to train future Olympic athletes, beat off a rival bid from a community hall in Bracknell, Berkshire.
The club, which is already competing at a national level, picked up a £71,236 award which will allow it to buy all-weather run-ups, two top grade long jump pits and an all-weather high jump facility.
Despite losing out to the Farmoor Accessible Sailing scheme on Thursday, the 22nd Oxford Sea Scouts found themselves the unexpected final winners of the Lottery Millions awards week - after being named top runner-up.
The group received a grant for £33,605 to modernise their scout hut.
For the full story, see Monday's Oxford Mail.
As reported in the Oxford Mail, plans to transform Tower Square in Carterton won £38,000 in Wednesday's vote.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules hereComments are closed on this article