Grand Bay Club in Key Biscayne is a family-friendly destination featuring a beautiful pool, beach access, and attentive service. Guests appreciate the club's amenities, which include a pool with a slide, a kiddie pool, a jacuzzi, and a playground. The on-site restaurant offers a variety of food, including well-received dishes like beetroot carpaccio, branzino, burrata, and tuna tartar, although some diners have noted that portions could be larger. The bar is known for its delicious gelato, despite being considered pricey. While many members praise the exceptional staff and service, some have raised concerns about recent overcrowding and limited beach seating, indicating a need for more chairs and umbrellas. The club is reportedly addressing this issue by ordering more equipment. Additionally, a recent change requiring adult children of members to pay their own membership fees has sparked discussion among long-time members. Overall, Grand Bay Club stands out for its pleasant atmosphere, excellent service, and quality food, making it a great spot for families and visitors looking for a relaxed day by the pool or beach. However, ongoing changes and capacity concerns may impact the experience for some members.