Blackwater Coffee Company is an independent café and micro-roastery at 177 Christina St. N., downtown Sarnia, Ontario, owned and roasted by Dave Duguay (35+ years roasting). They roast organic, socially- and environmentally-responsible beans and sell signature blends (Welcome Back Cartier, Three Gringos, Murky Waters, Big White Owl Espresso, seasonal Christmas Blend), serve locally sourced food (breakfast bagels, Game Changer savoury croissant sammies), run seasonal menus and community events (Winter/Christmas, Coffeeween), host educational 'Coffee Sessions', collaborate with local artists for pop-ups and exhibitions, participate in community arts and tasting tours like ARTPATH/Path of Plates, and operate seven days a week with community-focused hours and programming.
Last updated on Feb 8th, 2026
Enjoy the cozy atmosphere and seasonal beverages at Blackwater Coffee Company's Winter Drink Menu throughout December, featuring local artist Taryn Henry.
Blackwater Coffee Company will close at 1 PM on August 6, 2025, due to fibre optic cable installation and sidewalk work, reopening the next day at 7:30 AM.
Blackwater Coffee Company, founded by Dave Duguay in 2009, is a beloved café in Sarnia, Ontario, known for its organic coffee and community spirit, winning the Small Business of the Year award in 2014.
Blackwater Coffee Company is open until 5 PM, offering a variety of coffee options with a playful Halloween theme known as 'Coffeeween'.