Award-Winning Service GREAT NEWS! Mullen is the only dealer on the East End to receive the 2018 Customer First Award For Excellence! See What's New Welcome to Mullen Deals of the Week! Great Pre-Owned Vehicles from a Dealership you can Trust. Check Out This Week's Deals We Started in Southold Back in 1927... We’ve Been Serving the East End for Three Generations. Learn More About Mullen And 90 Years Later, We're Still Going Strong. Same Family, Same Shop, Same Award-Winning Service. See What's New “By far the most honest, kind and helpful dealership around… always a pleasure to deal with.” – via DealerRater.com More About Mullen This Week’s Pre-Owned Deals! 2017 RAM 1500 SLT BigHorn 4X4 2017 RAM ProMaster 1500 2014 Grand Cherokee Limited 2015 Grand Cherokee Limited 2016 Jeep Cherokee Sport 2014 RAM 1500 Tradesman 2015 Jeep Cherokee Latitude 4X4 2017 Ford Escape SE 4×4 2014 Dodge Durango Limited AWD 2016 RAM 1500 Laramie Crew 2016 Jeep Grand Cherokee LTD Contact Us Name Email Address Message 5 + 4 = Submit Or, just call us directly at (631) 765-3564.