The order of the Doc Ford series is as follows: Sanibel Flats, The Heat Islands, The Man Who Invented Florida, Captiva and North of Havana, then The Mangrove Coast, Ten Thousand Islands, Shark River, Twelve Mile Limit, Everglades and Tampa Burn. This is the order of the first half.
The other half of the series is as follows: Dead of Night, Dark Light, Hunter's Moon, Black Widow and Dead Silence, then Deep Shadow, Night Vision, Chasing Midnight, Night Moves, Bone Deep, and Cuba Straits. There are 22 books in this series. They were written by author Randy Wayne White, and the complete list can also be found on his website, randywaynewhite.com, although they are not listed in reading order.
A complete list of the books, numbered in reading order can be found on goodreads.com, as well as Barnes & Noble's website. They can be purchased from Barnes & Noble in hardcover, paperback or as an ebook. The prices range from about $9 to $21 for new books or from $2 to $6 for used copies.
Randy White also authored the Hannah Smith novels: Haunted, Deceived and Gone. He also wrote the Randy Striker series which consists of 7 books: Grand Cayman Slam, Everglades Assault and Assassin's Shadow, then The Deadlier Sex, Cuban Death-Lift, Key West Connection and The Deep Six.