A coastal rig starts with the target and technique, not the distance from the hotel. Ask whether the day involves casting, dropping, drifting or trolling. A setup intended to suspend a shrimp in shallow water is not a general substitute for an offshore rig.
A float-based presentation
A popping cork sits above a leader and hook or lure. The system suspends the presentation and adds sound/movement when worked. Leader length changes how the bait sits beneath the float and how easily the whole setup casts. Learn a controlled motion with the guide; continuous frantic popping is not a universal technique.
Working near the bottom
A bottom rig uses weight to place the presentation near the intended depth. Depth, current and bottom contact affect the choice. Ask how you will recognize contact and respond when something changes. Increasing weight without regard to the outfit or method is not the only answer to poor control.
Trolling is a boat-and-crew system
The vessel moves the presentation. Rod holders, line spacing, crew instructions and landing procedures belong to the technique. Do not pick up or reposition a prepared outfit without direction. A beginner can participate without independently rigging the spread.
For your own setup, check the intended fishery’s gear and harvest rules. For a paid charter, begin with supplied equipment.