If diving the world’s second-largest barrier reef has been on your bucket list, the folks at Anthony’s Key Resort in Roatan might have just the thing for you.

The resort has been in business for 50 years, so to celebrate it is offering something really cool: Book one 7-day, all-inclusive package and your second guest stays free.

The packages include accommodations; a buoyancy control workshop; air tanks, weight belts and weights; three single-tank boat dives per day; two single-tank boat night dives per week and a whole bunch more.

The resort is also offering special pricing on additional activities and amenities, and has packages for non-divers.

For more info on all the packages Anthony’s Key Resort is offering, check out the company’s website at anthonyskey.com.