In a seven-day sale, BookIt.com is offering 65%-70% off 100 all-inclusive beach resorts in the Caribbean, Mexico and Costa Rica.

The best thing about this sale is that it covers a wide range of resorts -- from family-friendly to adults-only -- and it's available select dates into December. All deals include unlimited food, drinks (including alcohol), activities and entertainment.

Some of our favorite deals include (based on double occupancy):

• Cancun: 4-star family-friendly suite from $178 ($89 per person)
• Punta Cana: 5-star adults-only resort from $198 ($99 per person)
• Riviera Maya: Luxe suite stay from $238 ($119 per person) 
• Puerto Vallarta: Upscale oceanfront room from $210 ($105 per person)
• Jamaica: Secluded 4-star resort from $250 ($125 per person)
• Costa Rica: Newly opened Planet Hollywood Resort from $290 ($145 per person)

On top of these already-low prices, the longer you stay, the more you save. Get an additional $50 off stays of 5-6 nights using the code RESORT50 or $100 off stays of 7+ nights with RESORT100. Double your savings if you book a package with airfare: Save an extra $100 on stays of 5-6 nights using PACKAGE100 or $200 on stays of 7+ nights with PACKAGE200.

For the flight-and-hotel packages, a $99 deposit is all that's required now to secure your reservation.

Availability is limited. Sale ends on May 1 at 11:59 p.m. PT.