For travelers seeking unparalleled natural diversity and adventure, the Big Island is the winner. However, for those prioritizing classic Caribbean beach relaxation and world-class underwater experiences, Grand Cayman takes the lead.
This comparison is close. Check live prices for both destinations before you decide, flight pricing often makes the winner obvious.
Choosing between the Big Island of Hawaii and Grand Cayman is a delightful dilemma for any traveler seeking a tropical escape. While both offer stunning natural beauty and abundant sunshine, they cater to distinctly different vacation styles. The Big Island, a land of dramatic contrasts, beckons with its active volcanoes, diverse landscapes from black sand beaches to lush rainforests, and a sense of raw, untamed adventure. Grand Cayman, on the other hand, epitomizes Caribbean charm with its world-renowned Seven Mile Beach, crystal-clear waters perfect for diving and snorkeling, and a more polished, resort-centric experience.
Your ideal choice hinges on what you prioritize for your getaway. If you're drawn to geological wonders, stargazing in unparalleled darkness, and a more off-the-beaten-path exploration, the Big Island will captivate you. If pristine beaches, effortless water sports, vibrant marine life, and a sophisticated yet relaxed atmosphere are more your style, Grand Cayman awaits.
| Month | Big Island, Hawaii High | Big Island, Hawaii Rain | Grand Cayman, Cayman Islands High | Grand Cayman, Cayman Islands Rain |
|---|---|---|---|---|
| Jan | 75°F | 108mm | 84°F | 40mm |
| Feb | 75°F | 126mm | 84°F | 30mm |
| Mar | 76°F | 124mm | 86°F | 30mm |
| Apr | 76°F | 232mm | 88°F | 50mm |
| May | 77°F | 262mm | 88°F | 120mm |
| Jun | 78°F | 335mm | 90°F | 170mm |
| Jul | 79°F | 323mm | 90°F | 150mm |
| Aug | 80°F | 308mm | 90°F | 220mm |
| Sep | 80°F | 261mm | 88°F | 250mm |
| Oct | 80°F | 166mm | 88°F | 180mm |
| Nov | 78°F | 120mm | 86°F | 100mm |
| Dec | 76°F | 144mm | 84°F | 60mm |
For the Big Island, aim for April through June for a balance of pleasant weather and fewer crowds. For Grand Cayman, the dry season from December to April offers consistently sunny skies ideal for beach and water activities, though summer offers fewer crowds and a chance to see nesting sea turtles.
Browse Lonely Planet, Fodor's, Rick Steves, and more on Amazon — packed with maps, itineraries, and local tips.
As an Amazon Associate, we earn from qualifying purchases.
Browse Lonely Planet, Fodor's, Rick Steves, and more on Amazon — packed with maps, itineraries, and local tips.
As an Amazon Associate, we earn from qualifying purchases.
We'll send you the best destinations to visit each month — right timing, less crowds.