From Twitter:

Sunset House in Grand Cayman is extending the Anniversary Dive Package until December!

According to their website:

All our dive packages include the following:

• Air Conditioned accommodations w/Digital Cable TV & Telephone
• Full "made to order" breakfast
• Daily two-tank boat trips, except day of arrival and departure
• Complimentary off-shore diving every day except day of departure
• Tanks, weights and belt
• Complimentary dive gear locker
• A Welcome Alcoholic or Non-Alcoholic Beverage of your choice
• Surprise anniversary gift
• Taxi transfers from and to the airport
• All Tax and Service Charges
• 25% off 65' Catamaran Sails

Items not included are Dive Shop Gratuities. (Starting the Summer of 2007, a small per night Energy Surcharge may be collected at the time of your stay)

All rates are in US Dollars and are subject to change without notice. One night minimum deposit required within 7 days of booking (During Winter Season, three night minimum deposit). Additional for groups. Cancellations must be made 7 (21 for Winter) days prior to arrival, 45 days for groups or deposit will be forfeited. Reservations may not be shortened. No refunds or exchanges on unused portions. Rates are Per Person.

Full payment is due on reservations 30 days prior to arrival

For more information, visit them on the web: http://www.sunsethouse.com/dive-pkg-rates.php