Your Guide to Discovering Golf Courses Oak and Sand is a platform that helps people discover new golf courses through intelligent and personalized recommendations. Users can book tee times, learn about golf activities and discover golf courses. There are over 1000 golf courses in California and over 15,000 golf courses in the United States. Finding a new golf course to play (public or private) that suits your game and finding one you will actually enjoy is extremely hard. Golf courses also have a very hard time reaching out to consumers (golfers). Our algorithm self-selects and structures data about golf courses and potential playing partners; then assembles it with high quality player and course profiles. We recommend what course your should play and who you should play with. We also use existing data and online content in order to develop innovative indicators. All tee times are paid for in advance. All your expenses on the course are automatically billed to your card.