Plantation grown african mahogany is available from Chesapeake Light Craft in Annapolis.
Boats Plans Boat Kits Kayaks Canoes Sailboats Rowing Boats - Chesapeake Light Craft LLC. I'm part way thru building one of their Chesapeake 14 kits.The 3 and 4 mm are light colored, you could also stain to your delight. These folks are great to work with also.Down side is shipping cost.Besides kayaks they also have other small craft including a marvelous wherry. There are other places to get okoume on the west coast. It's a solid ply NO voids, wonderful to work with. best of luck. Tim