The ferry will bring you and your vehicle from Bayfield, WI to Madeline Island. Everywhere on Madeline Island is fully accessible by car, however, there is a company on the island called Motion To Go that rents mopeds and bicycles if you prefer to get around that way. Here is Motion To Go's website: https://www.motion-to-go.com/
No, Uber and Lyft are not on the island.
The Madeline Island ferry runs from Bayfield to La Pointe, the town on Madeline Island. You have the option of driving your car onto the ferry or walking on, and the ride is typically around 20 minutes. You will need a ticket to ride the ferry, whether you are driving your car on or walking on. The website below has all the information you will need regarding the ferry schedule (the schedule is different for out-of-season and in-season dates) and ticket rates. Please reach out to Parker or Allison if you have questions! https://madferry.com/