Palm Bay and Melbourne
River Rocks has evolved into two restaurants, both with an emphasis on fresh seafood. The inside menu is for serious, sit-down dining. The Deck at the Dock (outside) is for more casual, yet very good food. We've enjoyed both venues numerous times. Both also offer great views of the Indian River.
South of Palm Bay, The Yellow Dog Cafe also lets you enjoy river views with you meal.
For a buger or fish sandwich, try one of 4 the Long Dogger locations in the area.
And if you visit downtown Melbourne, I think it's illegal to leave without visiting Meg O'Malley's Irish Pub. It has better than average pub grub with an Irish twist. If nothing else try a bowl of their $0.18 (that's not a typo) Irish Parliament Bean Soup.
If you looking for something specific, post it & maybe we can help.