What amenities are specifically mentioned for overnight boaters?

The correct answer highlights essential amenities that are particularly valuable for overnight boaters. Access to a bathroom, shower, and electricity ensures that guests have the basic comforts and necessities during their stay. These facilities are crucial for maintaining hygiene and comfort when staying aboard a boat for an extended period.

While other options may include enjoyable features like outdoor seating or entertainment, or conveniences like Wi-Fi and meals, the amenities specifically geared towards overnight boaters focus on fundamental needs that contribute to a more comfortable and practical experience while aboard. Having reliable access to bathroom facilities, showers for cleanliness, and electricity for various uses, aligns directly with what overnight guests would prioritize during their stay.