The operator of the valley’s only taxi service is looking to get out of the business, citing a drop in ridership as well as competition from borough-funded free shuttles during major events.

Ms. Lucy Taxi and Courier Service is for sale, and starting Saturday it will offer only tours and shuttle service between town and the airport and ferry terminal, owner Stanly Mazeikas said this week.

Mazeikas started the company three years ago, after the…