Top picks for Guam Must-have

Discover 462 Must-have in Guam on Trip.com, updated March 27, 2026, with experiences lasting from 1 to 4 hours. Find the perfect adventure for your day!

From GBP 0.88 per person, with an average total of GBP 36.26. Choose the option that suits your plan.

With 5.303k verified reviews, Must-have Guam boast an average rating of 4.6.

This week's most popular Must-have: "Global 77 Countries 4G/5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | 1-30 Days | QR Code", with 5.162k reviews and a 4.6 rating.

Now on Trip.com: "Dolphin watching with Underwater Observatory", a 3-hour adventure in Guam!

The next available day tour departs on March 28, 2026. Book now to secure your spot!

Guam Must-have usually take about 3 hours — perfect for a relaxed, immersive experience!

80% of Guam Must-have now offer English-speaking guides

March is the perfect time to visit Guam! Choose from Must-have available day tours, including seasonal favorites like Global 77 Countries 4G/5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | 1-30 Days | QR Code.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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462 results for Guam Must-have

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Reviews/Trip Moments

Reviews: Valley of the Latte Jungle Riverboat Adventure Cruise
Guest User2024-04-29
This was a great tour! The tour guides are amazing. It was money well spent. I'm glad I booked this trip.
Reviews: Fish Eye Island Cultural Dinner Show
Guest User2026-03-21
It was absolutely amazing.
Reviews: Guam 5G eSIM | ChatGPT | 1–30 Days | Instant QR
Guest User2025-11-18
The speed was fine and the setup was easy. Most hotels have Wi-Fi, so 1G per day is usually fine. If you're traveling for long periods of time, it's a good idea to buy an unlimited SIM card.