Defrost the crab meat and cut into pieces. Clean, wash and drain the salad and pluck into bite-sized pieces. Cut the crab meat into pieces. Wash and quarter the tomatoes. Peel garlic and press it through a garlic press or chop it finely.
Mix mayonnaise, garlic and lemon juice. Season to taste with salt and pepper. Arrange the salad ingredients on plates. Add garlic sauce and garnish with lemon and dill. Arrange a whole crab as desired for decoration.