We just got back from Divi Flamingo and enjoyed the house reef diving there. We did 6 dives, including 2 night. We also drove to both Buddy's and Capt Don's, got permission from the dive shops and did their house reefs. They were both great but Capt. Don's in particular was a good dive with a small wall. I agree it should be a great night dive. Did not try diving the Plaza Resort, but it's close to Divi, so this is probably why they both have tarpon at night, which were pretty awesome to see. The Divi house reef is Calabas Reef, which Sports Diver recommends as one of the must do dive sights in Bonaire. We did different parts, south, mid, and north sections at different times. I can honestly say that Divi's diving set up, including lockers, tank availability, dive piers and ladders were a better set ups that both Buddy's and Capt. Don's. The marine life we saw on Calabas was pretty aweseome as well. Just as good or better than anything else we dove. Yes, we did shore diving off the beaches, both North and South, and while it is a must, beware. Some of the entries can be pretty tricky. Divi Resort itself is OK, similar in quality to Buddy's. Capt. Don's and Plaza are more upscale. The advantage of Divi would be proximity to town so you can walk it if you want, and the casino if you like gambling. The restaurants were not bad. Not great, but not bad. Hope all this helps. Have a great time!!