The Blackfin Combi 29 is a saltwater fishing boat that's also good for overnight cruising. It has a low center of gravity, making it a stable platform for trolling. The boat's compact cabin includes a convertible dinette/V-berth, a mini-galley, and a standup head with shower. The cockpit can fit a small chair, and engine access is good. 

Sportfisher's dream! 1992 Blackfin 29 Combi powered by twin 1998 Crusader 454s with approx 300 hours. Includes sport fish chairs with long benches along side of boat, teak swim platform, rod holders, large bimini, eisenglass for three sides, cockpit lights, shorepower, windlass, bottom paint, seat covers, dash covers, various working electronics--some are no longer in service. Spacious cabin includes forward v-berth with filler cushions (sleeps 2) and table, galley with refrigerator, alco/electric stove, sink, pump out head with macerator and more. It's a must see for the fishing enthusiast. 
Previous survey available with many technical details included.