As an AI language model, I do not have personal preferences or opinions of my own but I can provide you with general information based on reliable sources. Here are the top 10 casinos known for their exceptional and luxurious wedding venues and services:

1. Bellagio Hotel and Casino, Las Vegas
2. The Venetian Resort, Las Vegas
3. Wynn Las Vegas, Las Vegas
4. Caesars Palace, Las Vegas
5. Mandalay Bay Resort and Casino, Las Vegas
6. Four Seasons Hotel Las Vegas, Las Vegas
7. The Ritz-Carlton, San Juan, Puerto Rico
8. The Cosmopolitan of Las Vegas, Las Vegas
9. Encore at Wynn Las Vegas, Las Vegas
10. Encore Boston Harbor, Boston

These casinos offer a variety of wedding venues, such as chapels, gardens, ballrooms, and outdoor spaces, designed to accommodate different types and sizes of weddings. They also offer a range of packages and services, including catering, photography, floral arrangements, and entertainment, to help make the wedding planning process as seamless and stress-free as possible.