The series which debuted on July 9, 2010 and had its season four finale on December 13, 2013, is based on the Stephen King novella, "The Colorado Kid." It "follows former FBI agent Audrey Parker, who becomes a cop in the small town of Haven, Maine, and soon discovers the town’s many secrets – which also hold the key to unlocking the mysteries of her lost past."
According to the press release from Syfy, "Emily Rose, Lucas Bryant and Eric Balfour will reprise their roles of Audrey Parker, Nathan Wournos and Duke Crocker, respectively. Production on 26 all-new episodes is set to begin on location in Halifax, Nova Scotia this spring."
The release announced that the supernatural series tallied "...its best season ever in social mentions and Twitter activity, Haven’s recently wrapped fourth season was up 11% among Adults 18-34 (314,000) and up 3% year-to-year among Adults 18-49 (926,000). Overall, Haven averaged 1.1 million Adults 25-54 and 2.3 million viewers per week and ranked second in Adults 18-49 and Adults 25-54 among original cable series in its Friday 10PM ET/PT time slot. (All data Live +7)."
We'll keep you posted on any more details that trickle in.