The I-95 Darien SB Service Plaza is a convenient and well-equipped rest stop for travelers along the I-95 highway. The plaza features a variety of dining options, including a McDonald's, Subway, Dunkin', and Starbucks with a drive-through. The plaza also has a large convenience store and a mobile gas station. While the overall experience is positive, with clean facilities and ample parking, some visitors have noted that the McDonald's customer service could be improved, and the restaurant prices may be higher than normal. However, the convenience store is reported to have reasonable prices for snacks. The plaza provides a comfortable and practical stopping point for those traveling along the I-95 corridor.