The top 5 adults-only hotels in Cancun, Mexico:

1. Le Blanc Spa Resort Cancun - This luxurious, all-inclusive resort features an infinity pool, full-service spa, and rooms with private balconies overlooking the Caribbean Sea.

2. Excellence Playa Mujeres - This five-star, all-inclusive resort is set on a secluded private beach and offers guests access to multiple outdoor pools, a full-service spa, and a variety of dining options.

3. Live Aqua Beach Resort Cancun - This upscale resort features elegant rooms with ocean views, multiple pools, a full-service spa, and several on-site dining options.

4. Hyatt Zilara Cancun - This all-inclusive, adult-only resort is located on a pristine, white-sand beach and offers guests access to multiple outdoor pools, bars, and restaurants.

5. Secrets The Vine Cancun - This beachfront, all-inclusive resort offers guests a variety of luxurious amenities, including multiple outdoor pools, a full-service spa, and a selection of gourmet dining options.