Oliver's Boats: Enjoy this experience on Lincoln's one and only floating tearoom! You'll get settled into this cosy narrow boat in no time. Cream tea: Enjoy a delightful cream tea with picturesque views of the river and countryside on Lincoln's only floating tea room! View the menu below. Valid: Mon - Wed & Fri - Sun, 10am - 4pm. Location: This fabulous floating tea room is located on River Witham. Tour: Sit back and relax as you are taken on a scenic 30-minute boat tour of the Brayford Marina and medieval bridge, all the way to Stamp End lock. Cream Tea, Flowers & Boat Ride For 2 | Regional | Living Social | Living Social