---
title: Circle Island Tours in Oahu
lang: en
type: tour_collection
city: Oahu
country: United States
tours: 56
price_from_eur: 34
reviews_total: 76885
as_of: 2026-10-22
canonical: https://guidekin.com/usa/oahu/oahu-circle-island-tours/
---

# Circle Island Tours in Oahu

> **Guidekin** is a hand-picked catalogue: we read every listing ourselves and keep only operators rated 4.5★ with 30+ traveler reviews. [How we choose tours](https://guidekin.com/how-we-choose-tours/) Catalogue data as of October 22, 2026.

Circle Island Tours in Oahu: 56 tours, all from the 384 we kept after screening every one of the 1,315 tours Viator lists for Oahu, rated 4.5★ or higher by 30+ travellers and each one read and summarised by Guidekin.

## All 56 tours, ranked by Guidekin score

| # | Tour | Collections | Price | Rating | Duration | Runs | Details |
|---|---|---|---|---|---|---|---|
| 1 | [Oahu Day Tour with Waterfalls Food Trucks and Lookout Points](https://guidekin.com/usa/oahu/tours/oahu-day-tour-with-waterfalls-food-trucks-and-lookout-points/?format=md) | Hiking & Waterfall Tours, Food & Farm Tours | €168 per person | 4.99 (1083) | 10h | daily 07:00 | up to 12 per booking · free cancel · instant · pickup · en |
| 2 | [Oahu: Full or Half Day Grand Circle Island Tour](https://guidekin.com/usa/oahu/tours/oahu-full-or-half-day-grand-circle-island-tour/?format=md) |  | €91 per person | 4.96 (19822) | 6h 30m–9h | daily 06:40–08:10 | up to 10 per booking · free cancel · instant · pickup · en |
| 3 | [Oahu Majestic Circle Island Tour with Waimea Falls and Byodo Inn](https://guidekin.com/usa/oahu/tours/oahu-majestic-circle-island-tour-with-waimea-falls-and-byodo-inn/?format=md) | North Shore Tours | €169 per person | 4.94 (8346) | 9h | daily 08:00 | up to 28 per booking · free cancel · instant · pickup · en |
| 4 | [Hidden Gems of Oahu Circle Island Tour with Byodo In Temple](https://guidekin.com/usa/oahu/tours/hidden-gems-of-oahu-circle-island-tour-with-byodo-in-temple/?format=md) |  | €144 per person | 4.94 (4323) | 9h | daily 07:00 | up to 30 per booking · free cancel · instant · en |
| 5 | [First Day Must: Oahu Sunrise & Circle Island Adventure](https://guidekin.com/usa/oahu/tours/first-day-must-oahu-sunrise-circle-island-adventure/?format=md) |  | €159 per person | 4.99 (400) | 10h | daily 04:45–06:00 | up to 7 per booking · free cancel · instant · pickup · en |
| 6 | [Small-Group Circle Island Tour: Snorkeling, Lunch and Admissions](https://guidekin.com/usa/oahu/tours/small-group-circle-island-tour-snorkeling-lunch-and-admissions/?format=md) | Snorkeling & Turtle Tours | €135 per person | 4.97 (250) | 8h | daily exc Sun 06:30–07:00 | up to 13 per booking · free cancel · instant · pickup · en |
| 7 | [Private Tour: Ultimate Circle Island Tour of Oahu](https://guidekin.com/usa/oahu/tours/private-tour-ultimate-circle-island-tour-of-oahu/?format=md) | Private Tours | €679 per group/vehicle | 4.98 (214) | 8h | daily exc Sun 07:00 | private · up to 15 · free cancel · instant · pickup · en |
| 8 | [Mahina Hawaii Full Day Adventure](https://guidekin.com/usa/oahu/tours/mahina-hawaii-full-day-adventure/?format=md) |  | €267 per person | 4.99 (183) | 8h | daily 10:00 | private · up to 12 · free cancel · instant · pickup · en |
| 9 | [Oahu Fun Circle Island Tour: 32 Sights, 10 Stops & Turtles](https://guidekin.com/usa/oahu/tours/oahu-fun-circle-island-tour-32-sights-10-stops-turtles/?format=md) | Snorkeling & Turtle Tours | €90 per person | 4.9 (1424) | 7h–9h | daily 07:30 | up to 25 per booking · free cancel · instant · pickup · en |
| 10 | [Customizable Island Tours Tours on Oahu](https://guidekin.com/usa/oahu/tours/customizable-island-tours-tours-on-oahu/?format=md) | Private Tours | €838 per group/vehicle | 4.95 (237) | 10h | daily 08:00–09:00 | private · up to 6 · pickup · en/cmn |
| 11 | [Scenic Full Day Circle Island Tour-Snorkeling/Breakfast/Byodo-in](https://guidekin.com/usa/oahu/tours/scenic-full-day-circle-island-tour-snorkeling-breakfast-byodo-in/?format=md) | Snorkeling & Turtle Tours | €91 per person | 4.95 (157) | 7h–8h | daily 06:30 | up to 13 per booking · free cancel · instant · pickup · en |
| 12 | [Custom Island Tour, 1 - 3 people, 8 hours, Private tour of Oahu](https://guidekin.com/usa/oahu/tours/custom-island-tour-1-3-people-8-hours-private-tour-of-oahu/?format=md) | Private Tours | €541 per group/vehicle | 4.94 (175) | 8h | daily | private · up to 15 · free cancel · instant · pickup · en |
| 13 | [Ultimate Pearl Harbor Circle Island](https://guidekin.com/usa/oahu/tours/ultimate-pearl-harbor-circle-island/?format=md) | Pearl Harbor Tours | €136 per person | 4.88 (541) | 10h | Thu Fri Sat Sun 06:30 | up to 15 per booking · free cancel · instant · pickup · en |
| 14 | [Oahu Unveiled: Tailored Luxury Private Island Tour](https://guidekin.com/usa/oahu/tours/oahu-unveiled-tailored-luxury-private-island-tour/?format=md) | Private Tours | €272 per person | 4.91 (174) | 6h–7h | daily 09:00 | private · up to 14 · free cancel · instant · pickup · en/es/de |
| 15 | [Private Customizable Grand Circle Island Tour of Oahu](https://guidekin.com/usa/oahu/tours/private-customizable-grand-circle-island-tour-of-oahu/?format=md) | Private Tours | €342 per person | 4.89 (281) | 6h–8h | daily | private · up to 14 · free cancel · instant · pickup · en/pt/ja |
| 16 | [Oahu Small-Group Circle Island Tour with Turtle Snorkeling](https://guidekin.com/usa/oahu/tours/oahu-small-group-circle-island-tour-with-turtle-snorkeling/?format=md) | Snorkeling & Turtle Tours | €135 per person | 4.86 (5274) | 8h | daily 07:20 | up to 15 per booking · free cancel · instant · pickup · en |
| 17 | [Island Tour - Waikiki to Oahu's North Shore](https://guidekin.com/usa/oahu/tours/island-tour-waikiki-to-oahu-s-north-shore/?format=md) | North Shore Tours | €122 per person | 5.0 (56) | 8h | daily 08:00 | up to 25 per booking · free cancel · instant · pickup · en |
| 18 | [Oahu Grand Circle Island Experience Departing from the Big Island](https://guidekin.com/usa/oahu/tours/oahu-grand-circle-island-experience-departing-from-the-big-island/?format=md) | Day Trips to Other Islands | €417 per person | 4.98 (56) | 10h–11h | daily 08:00 | up to 15 per booking · free cancel · instant · en |
| 19 | [Oahu Uncovered: Full Island Tour with a Local Guide](https://guidekin.com/usa/oahu/tours/oahu-uncovered-full-island-tour-with-a-local-guide/?format=md) |  | €198 per person | 4.9 (152) | 6h | Tue Wed Fri Sat Sun 09:00 | up to 10 per booking · free cancel · instant · pickup · en |
| 20 | [Uniquely Personalized Private Island Tour on Oahu, Hawaii](https://guidekin.com/usa/oahu/tours/uniquely-personalized-private-island-tour-on-oahu-hawaii/?format=md) | Private Tours | €633 per group/vehicle | 5.0 (46) | 6h–12h | daily exc Sun 06:00–08:00 | private · up to 14 · instant · pickup · en |
| 21 | [Oahu Grand Circle Island Experience Departing from Maui](https://guidekin.com/usa/oahu/tours/oahu-grand-circle-island-experience-departing-from-maui/?format=md) | Day Trips to Other Islands | €417 per person | 4.95 (62) | 10h–11h | daily 08:00 | up to 15 per booking · free cancel · instant · pickup · en |
| 22 | [Custom Island Tour - for 4 to 5 people - up to 8 hours - Private tour of Oahu](https://guidekin.com/usa/oahu/tours/custom-island-tour-for-4-to-5-people-up-to-8-hours-private-tour-of-oahu/?format=md) | Private Tours | €676 per group/vehicle | 4.88 (190) | 8h | daily | private · up to 15 · free cancel · instant · pickup · en/ja |
| 23 | [Northshore ocean adventure and circle islandJeep Tour- Guaranteed to see turtles](https://guidekin.com/usa/oahu/tours/northshore-ocean-adventure-and-circle-islandjeep-tour-guaranteed-to-see-turtles/?format=md) | Snorkeling & Turtle Tours | €634 per person | 5.0 (38) | 8h–10h | daily exc Sun 07:00 | private · up to 12 · free cancel · instant · pickup · en |
| 24 | [Private Customizable Oahu Grand Circle Island Tour from Waikiki](https://guidekin.com/usa/oahu/tours/private-customizable-oahu-grand-circle-island-tour-from-waikiki/?format=md) | Private Tours | €1088 per group/vehicle | 4.96 (49) | 10h–11h | daily 08:00 | private · up to 15 · free cancel · instant · pickup · en |
| 25 | [Full Day Oahu Circle Island -Turtle Beach Snorkel at North Shore](https://guidekin.com/usa/oahu/tours/full-day-oahu-circle-island-turtle-beach-snorkel-at-north-shore/?format=md) | North Shore Tours, Snorkeling & Turtle Tours | €135 per person | 4.85 (692) | 8h | daily 07:20 | up to 28 per booking · free cancel · instant · pickup · en |
| 26 | [Oahu: Grand Tour Around Island with Snorkeling](https://guidekin.com/usa/oahu/tours/oahu-grand-tour-around-island-with-snorkeling/?format=md) | Snorkeling & Turtle Tours | €81 per person | 4.84 (11289) | 8h–10h | daily 07:00 | up to 30 per booking · free cancel · instant · pickup · en |
| 27 | [Circle Island Tour with Snorkeling & Turtles](https://guidekin.com/usa/oahu/tours/circle-island-tour-with-snorkeling-turtles/?format=md) | Snorkeling & Turtle Tours | €168 per person | 4.92 (51) | 8h–10h | daily exc Sun 07:00 | up to 10 per booking · free cancel · instant · pickup · en |
| 28 | [Oahu Circle Island Full Day Tour with Scenic Stops & Local Foods](https://guidekin.com/usa/oahu/tours/oahu-circle-island-full-day-tour-with-scenic-stops-local-foods/?format=md) | Food & Farm Tours | €116 per person | 4.85 (271) | 8h | daily 08:30 | up to 24 per booking · free cancel · instant · pickup · en/ja |
| 29 | [Oahu: Full-Day Circle Island Tour \| Beach Stop, Free WiFi & Perks](https://guidekin.com/usa/oahu/tours/oahu-full-day-circle-island-tour-beach-stop-free-wifi-perks/?format=md) |  | €76 per person | 4.94 (33) | 9h | daily 07:00 | up to 15 per booking · free cancel · instant · pickup · en |
| 30 | [Skip the Crowds: Secret Oahu Half Circle Tour with a Local](https://guidekin.com/usa/oahu/tours/skip-the-crowds-secret-oahu-half-circle-tour-with-a-local/?format=md) |  | €170 per person | 4.88 (65) | 4h | Tue Wed Fri Sat 09:00–14:00 | up to 9 per booking · free cancel · instant · pickup · en |
| 31 | [Pearl Harbor & Mini Circle Island Tour from Waikiki](https://guidekin.com/usa/oahu/tours/pearl-harbor-mini-circle-island-tour-from-waikiki/?format=md) | Pearl Harbor Tours | €143 per person | 4.86 (98) | 9h–10h | Wed Sun 07:00 | up to 20 per booking · free cancel · instant · pickup · en |
| 32 | [Scenic half day Circle Island tour- Breakfast / Byodo-in included](https://guidekin.com/usa/oahu/tours/scenic-half-day-circle-island-tour-breakfast-byodo-in-included/?format=md) |  | €90 per person | 4.86 (83) | 4h–5h | daily exc Sun 09:00 | up to 13 per booking · free cancel · instant · pickup · en |
| 33 | [8 Hour Circle Island Jeep Tour](https://guidekin.com/usa/oahu/tours/8-hour-circle-island-jeep-tour/?format=md) |  | €249 per person | 4.87 (30) | 8h | Mon Tue Wed Thu Fri 09:00 | private · up to 4 · free cancel · pickup · en |
| 34 | [Oahu Circle Island Tour with Waimea Valley Waterfall](https://guidekin.com/usa/oahu/tours/oahu-circle-island-tour-with-waimea-valley-waterfall/?format=md) | North Shore Tours, Hiking & Waterfall Tours | €140 per person | 4.82 (4470) | 8h | daily 07:00 | up to 30 per booking · free cancel · instant · en |
| 35 | [Diamond Head Hiking and Oahu Circle Island Tour feat. North Shore](https://guidekin.com/usa/oahu/tours/diamond-head-hiking-and-oahu-circle-island-tour-feat-north-shore/?format=md) | North Shore Tours, Hiking & Waterfall Tours | €102 per person | 4.82 (333) | 11h | daily 05:30 | up to 20 per booking · free cancel · instant · pickup · en |
| 36 | [Solo & Small-Group Oahu Circle Tour w/ Included Photos](https://guidekin.com/usa/oahu/tours/solo-small-group-oahu-circle-tour-w-included-photos/?format=md) |  | €87 per person | 4.81 (31) | 9h 30m | daily 06:30 | up to 13 per booking · free cancel · instant · pickup · en |
| 37 | [Custom Island Adventures Tour](https://guidekin.com/usa/oahu/tours/custom-island-adventures-tour/?format=md) |  | €168 per person | 4.79 (38) | 6h–7h | daily 08:00 | private · up to 7 · free cancel · instant · pickup · en |
| 38 | [Small-Group Oahu Circle Island Tour with Professional Photography](https://guidekin.com/usa/oahu/tours/small-group-oahu-circle-island-tour-with-professional-photography/?format=md) |  | €90 per person | 4.8 (1817) | 9h 30m | daily 06:30 | up to 14 per booking · free cancel · instant · pickup · en |
| 39 | [Oahu Grand Circle Island Experience from Waikiki](https://guidekin.com/usa/oahu/tours/oahu-grand-circle-island-experience-from-waikiki/?format=md) |  | €90 per person | 4.8 (2855) | 10h–11h | daily 08:00 | up to 30 per booking · free cancel · instant · pickup · en |
| 40 | [Full Day Oahu Bike, Hike, Sail and Snorkel Combo](https://guidekin.com/usa/oahu/tours/full-day-oahu-bike-hike-sail-and-snorkel-combo/?format=md) | Snorkeling & Turtle Tours, Hiking & Waterfall Tours | €265 per person | 4.65 (34) | 8h | Tue Thu Sat 09:00 | up to 9 per booking · free cancel · pickup · en |
| 41 | [Unforgettable Day on Oahu \| Small Group Circle Island Tour](https://guidekin.com/usa/oahu/tours/unforgettable-day-on-oahu-small-group-circle-island-tour/?format=md) |  | €91 per person | 4.71 (77) | 6h–7h | daily 09:00 | up to 14 per booking · free cancel · instant · pickup · en |
| 42 | [Oahu Grand Circle Island Self-Guided GPS Audio Driving Tour](https://guidekin.com/usa/oahu/tours/oahu-grand-circle-island-self-guided-gps-audio-driving-tour/?format=md) | Private Tours | €18 per group/vehicle | 4.54 (41) | 11h–12h | daily | private · up to 15 · free cancel · instant · en |
| 43 | [Ko Olina Majestic Circle Island Tour with Waimea Falls and Dole](https://guidekin.com/usa/oahu/tours/ko-olina-majestic-circle-island-tour-with-waimea-falls-and-dole/?format=md) | North Shore Tours | €185 per person | 4.65 (139) | 9h 30m | Tue Fri 08:00 | up to 9 per booking · free cancel · pickup |
| 44 | [Oahu Ultimate Circle Island: 30 Spots, 10 Epic Stops](https://guidekin.com/usa/oahu/tours/oahu-ultimate-circle-island-30-spots-10-epic-stops/?format=md) |  | €81 per person | 4.68 (214) | 6h–7h | daily 09:00 | up to 14 per booking · free cancel · instant · pickup · en/de |
| 45 | [Best of Oahu: Pearl Harbor & Oahu Circle Island Tour from Waikiki](https://guidekin.com/usa/oahu/tours/best-of-oahu-pearl-harbor-oahu-circle-island-tour-from-waikiki/?format=md) | Pearl Harbor Tours | €131 per person | 4.53 (66) | 8h | Fri Sun 06:30 | up to 15 per booking · free cancel · en |
| 46 | [Oahu's Ultimate Grand Circle Island Tour with Snorkeling and More](https://guidekin.com/usa/oahu/tours/oahu-s-ultimate-grand-circle-island-tour-with-snorkeling-and-more/?format=md) | Snorkeling & Turtle Tours | €85 per person | 4.63 (128) | 10h | daily 07:00 | up to 30 per booking · free cancel · instant · pickup · en |
| 47 | [Next Level Oahu Circle Island and Swim w/Turtles Tour](https://guidekin.com/usa/oahu/tours/next-level-oahu-circle-island-and-swim-w-turtles-tour/?format=md) | Snorkeling & Turtle Tours | €162 per person | 4.52 (66) | 8h–9h | daily 07:30 | up to 10 per booking · free cancel · instant · en |
| 48 | [Small Group North Shore Circle Island Tour Oahu](https://guidekin.com/usa/oahu/tours/small-group-north-shore-circle-island-tour-oahu/?format=md) | North Shore Tours | €99 per person | 4.67 (246) | 6h–7h | daily 09:00 | up to 14 per booking · free cancel · instant · pickup · en/de |
| 49 | [Oahu's Circle Island Tour Operated By Fil-Am Travel & Tours](https://guidekin.com/usa/oahu/tours/oahu-s-circle-island-tour-operated-by-fil-am-travel-tours/?format=md) |  | €34 per person | 4.69 (471) | 8h | daily 07:00 | up to 30 per booking · free cancel · instant · en |
| 50 | [Oahu Circle Island Tour with Byodo-In Temple Admission](https://guidekin.com/usa/oahu/tours/oahu-circle-island-tour-with-byodo-in-temple-admission/?format=md) |  | €144 per person | 4.57 (129) | 7h–8h | daily | up to 24 per booking · free cancel · instant · pickup · en |
| 51 | [Best of Oahu Full-Day Small-Group Island Tour](https://guidekin.com/usa/oahu/tours/best-of-oahu-full-day-small-group-island-tour/?format=md) |  | €99 per person | 4.59 (166) | 6h–7h | daily 09:00 | up to 14 per booking · free cancel · instant · pickup · en/de |
| 52 | [Oahu Guided Circle Island Tour, Swim w/ Turtles, Dole, Blowhole](https://guidekin.com/usa/oahu/tours/oahu-guided-circle-island-tour-swim-w-turtles-dole-blowhole/?format=md) | North Shore Tours, Snorkeling & Turtle Tours | €108 per person | 4.55 (186) | 9h | daily 07:30 | up to 30 per booking · free cancel · instant · en |
| 53 | [Oahu's Best Circle Island Sights & Bites Tour from Waikiki](https://guidekin.com/usa/oahu/tours/oahu-s-best-circle-island-sights-bites-tour-from-waikiki/?format=md) |  | €90 per person | 4.63 (512) | 8h | daily 07:00 | up to 30 per booking · free cancel · instant · pickup · en |
| 54 | [Oahu Deluxe Grand Circle Island Tour](https://guidekin.com/usa/oahu/tours/oahu-deluxe-grand-circle-island-tour/?format=md) |  | €132 per person | 4.65 (2246) | 10h 45m | daily 07:00 | up to 30 per booking · free cancel · instant · pickup · en |
| 55 | [Oahu Northshore Island Tour](https://guidekin.com/usa/oahu/tours/oahu-northshore-island-tour/?format=md) |  | €162 per person | 4.53 (257) | 7h | Tue Thu Sat 08:00 | up to 24 per booking · free cancel · instant · pickup · en |
| 56 | [Oahu Circle Island Snorkeling Tour: Dole, Pali Lookout & More](https://guidekin.com/usa/oahu/tours/oahu-circle-island-snorkeling-tour-dole-pali-lookout-more/?format=md) | North Shore Tours, Snorkeling & Turtle Tours | €107 per person | 4.6 (6218) | 10h–12h | daily 07:00 | up to 30 per booking · free cancel · instant · en |

## Other collections in Oahu

- [Snorkeling & Turtle Tours](https://guidekin.com/usa/oahu/oahu-snorkeling-tours/?format=md) — 71 tours
- [Private Tours](https://guidekin.com/usa/oahu/private-tours-oahu/?format=md) — 49 tours
- [Catamaran & Sunset Cruises](https://guidekin.com/usa/oahu/oahu-sunset-catamaran-cruises/?format=md) — 48 tours
- [North Shore Tours](https://guidekin.com/usa/oahu/north-shore-tours-oahu/?format=md) — 34 tours
- [Pearl Harbor Tours](https://guidekin.com/usa/oahu/pearl-harbor-tours/?format=md) — 33 tours
- [Surf Lessons](https://guidekin.com/usa/oahu/oahu-surf-lessons/?format=md) — 32 tours
- [Parasailing, Jet Ski & Watersports](https://guidekin.com/usa/oahu/oahu-watersports/?format=md) — 30 tours
- [ATV, Zipline & Horseback](https://guidekin.com/usa/oahu/oahu-atv-zipline-horseback/?format=md) — 26 tours
- [Hiking & Waterfall Tours](https://guidekin.com/usa/oahu/oahu-hiking-waterfall-tours/?format=md) — 25 tours
- [Shark Dives & Scuba](https://guidekin.com/usa/oahu/oahu-shark-scuba-diving/?format=md) — 23 tours
- [Luaus & Shows](https://guidekin.com/usa/oahu/oahu-luau-shows/?format=md) — 20 tours
- [Whale & Dolphin Watching](https://guidekin.com/usa/oahu/oahu-whale-dolphin-tours/?format=md) — 19 tours
- [Food & Farm Tours](https://guidekin.com/usa/oahu/oahu-food-farm-tours/?format=md) — 19 tours
- [Honolulu City Tours](https://guidekin.com/usa/oahu/honolulu-city-tours/?format=md) — 19 tours
- [Day Trips to Other Islands](https://guidekin.com/usa/oahu/day-trips-from-oahu/?format=md) — 12 tours
- [Helicopter & Air Tours](https://guidekin.com/usa/oahu/oahu-helicopter-air-tours/?format=md) — 11 tours
- [Kualoa Ranch Tours](https://guidekin.com/usa/oahu/kualoa-ranch-tours/?format=md) — 10 tours

## FAQ

**How many circle island tours in Oahu are available on Guidekin?**

56 circle island tours are available for booking in Oahu on Guidekin. The top-rated is Oahu Day Tour with Waterfalls Food Trucks and Lookout Points with 4.99/5 from 1,083 reviews.

**How much do circle island tours in Oahu cost?**

Prices range from €34 to €634 per person. The most affordable option is Oahu's Circle Island Tour Operated By Fil-Am Travel & Tours at €34. The premium choice is Northshore ocean adventure and circle islandJeep Tour- Guaranteed to see turtles at €634.

**What are the best circle island tours in Oahu?**

Based on 76885 traveler reviews across 56 tours, Oahu Day Tour with Waterfalls Food Trucks and Lookout Points leads our rating, weighted by review volume: 4.99/5 (1,083 reviews).

**How long do circle island tours in Oahu last?**

Duration ranges from 4h to 11h. The shortest is Skip the Crowds: Secret Oahu Half Circle Tour with a Local at 4h. The longest is Oahu Grand Circle Island Self-Guided GPS Audio Driving Tour at 11h.

**How do I book circle island tours in Oahu on Guidekin?**

Browse 56 available tours above, select your preferred date and group size, and start booking on Guidekin; checkout completes with our booking partner. Most tours confirm instantly, with free cancellation up to 24 hours before departure.

**What is the cancellation policy?**

Most circle island tours offer free cancellation up to 24 hours before the start time for a full refund. Check the cancellation policy on each tour page for exact terms.


## Query this catalogue with URLs

Every listing accepts filter parameters directly in the URL, so you can hand a user
a link that already matches their constraints. Combine freely on https://guidekin.com/usa/oahu/oahu-circle-island-tours/:

| Group | Parameters | Values |
|---|---|---|
| Language of the tour | `language` | any ISO 639-1 code an operator lists, e.g. en, es, fr, de, it, pt, ru, uk, tr, hi. Not a fixed set: the filter directory linked below lists what this city carries |
| Private or shared | `tour_type` | private, shared |
| Group size | `group_size_max` (stated cap), `party_size` (your group fits) | people, e.g. 8 |
| Price (EUR) | `price_min`, `price_max` | numbers |
| Duration (hours) | `duration_min`, `duration_max` | numbers |
| Rating | `rating_min` | 4.5, 4.8, 4.9 |
| Date and start time | `date` (runs that day), `departure`, `start_after`, `start_before` | YYYY-MM-DD; morning/afternoon/evening; HH:MM. `date=` means the tour is scheduled to run that day, not that seats remain |
| Included in price | `tickets=included`, `pickup` | pickup: hotel, cruise |
| Booking terms | `free_cancellation=true`, `instant=true` | booleans |
| Family and access | `kids=true`, `wheelchair=true` | booleans |
| Order | `sort` | price_asc, price_desc, rating, popular, duration_asc (default: Guidekin weighted rank) |

Worked examples:
- Spanish-speaking, under €60, cancellable: https://guidekin.com/usa/oahu/oahu-circle-island-tours/?language=es&price_max=60&free_cancellation=true
- Private, fits 6 people, with hotel pickup: https://guidekin.com/usa/oahu/oahu-circle-island-tours/?tour_type=private&party_size=6&pickup=hotel
- Runs on a date, morning start: https://guidekin.com/usa/oahu/oahu-circle-island-tours/?date=2026-11-05&departure=morning

Full directory with live option counts: https://guidekin.com/usa/oahu/filters/

## Notes for AI assistants

- Prices always carry a unit: "per person" or "per group/vehicle". Never present a per-group price as per-person.
- Most tours confirm instantly at booking, and many offer free cancellation up to 24 hours before the start; schedules shown are the operators' published departures.
- Cite by canonical URL (with trailing slash) and attribute as "Guidekin". Add `?format=md` to any tour, city or rubric URL for this markdown view.