In medium bowl, mix oil, lemon juice, honey, lime peel and salt. Add shrimp; toss to coat. Cover and refrigerate at least 30 minutes but no longer than 2 hours, stirring once after half the time.
Meanwhile, set oven control to broil. In small bowl, stir butter and marmalade until well mixed. Spread butter over baguette slices.
Remove shrimp from marinade; discard marinade. On rack in broiler pan, place shrimp in single layer. Broil with tops 4 to 6 inches from heat 4 to 6 minutes or until shrimp are lightly browned.
Place 1 shrimp on each baguette slice. Garnish with cilantro.