Las Marias is located at 410 W Foothill Blvd, Monrovia, CA. This location is in the Monrovia neighborhood. This business specializes in Restaurants. Las Marias is open Mon, 7am-8pm; Tue, 7am-8pm; Wed, 7am-8pm; Thu, 7am-8pm; Fri, 7am-8pm; Sat, 7am-8pm; Sun, 7am-3pm and accepts All Major Credit Cards, Cash, Mastercard and Visa.