The popular event, which runs until Monday, May 8, features an array of children’s rides as well as ones for older children and adults with a head for heights.
The rides and other attractions are spread across the Market Place and Wide Bargate.
Saturday also saw a model fairground exhibition at the nearby Guildhall Museum.
. Fun fair
Boston May Fair runs until Monday, May 8. Photo: David Dawson
. Galloping...chickens?
The fair offers real family fun for all ages. Photo: David Dawson
. A Head for Heights
One of the more hair-raising rides at the May Fair. Photo: David Dawson
. Refreshing
Enjoying some refreshments are: Ewelina Golko with Alex Golko, 6, Tomek Golko, 12 and Mateusz Golko, 8. Photo: David Dawson
. Opening ceremony
The official opening of the May Fair, with Boston Mayor, Coun Anne Dorrian, right, and mace bearer Andy Lamming holding out their hats. Photo: Image supplied
. Hold on tight
One of the many rides at May Fair. Photo: David Dawson
. Happy Faces
All smiles from Daisy Gowshall, 8, and Rosie Gowshall, 16, of Horncastle. Photo: David Dawson
1. Galloping...chickens?
The fair offers real family fun for all ages. Photo: David Dawson
2. A Head for Heights
One of the more hair-raising rides at the May Fair. Photo: David Dawson
3. Refreshing
Enjoying some refreshments are: Ewelina Golko with Alex Golko, 6, Tomek Golko, 12 and Mateusz Golko, 8. Photo: David Dawson
4. Opening ceremony
The official opening of the May Fair, with Boston Mayor, Coun Anne Dorrian, right, and mace bearer Andy Lamming holding out their hats. Photo: Image supplied