--- title: Bioluminescence Tours in Grand Cayman lang: en type: tour_collection city: Grand Cayman country: Caribbean tours: 3 price_from_eur: 104 reviews_total: 1511 as_of: 2026-10-17 canonical: https://guidekin.com/caribbean/grand-cayman/bioluminescence-tours-grand-cayman/ --- # Bioluminescence Tours in Grand Cayman > **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 17, 2026. ## All 3 tours, ranked by Guidekin score | # | Tour | Collections | Price | Rating | Duration | Runs | Details | |---|---|---|---|---|---|---|---| | 1 | [Night Bioluminescence Snorkel Tour](https://guidekin.com/caribbean/grand-cayman/tours/night-bioluminescence-snorkel-tour/?format=md) | Snorkeling Tours | €132 per person | 4.93 (1065) | 2h | daily 18:05–18:25 | up to 8 per booking · free cancel · instant · en | | 2 | [Private: Bioluminescence Tour](https://guidekin.com/caribbean/grand-cayman/tours/private-bioluminescence-tour/?format=md) | Private Tours | €544 per group/vehicle | 4.9 (63) | 2h | daily 14:30–22:00 | private · up to 15 · free cancel · instant · en | | 3 | [Grand Cayman - Bioluminescent Bay Tour](https://guidekin.com/caribbean/grand-cayman/tours/grand-cayman-bioluminescent-bay-tour/?format=md) | | €104 per person | 4.58 (383) | 2h 45m | daily 17:30 | up to 10 per booking · free cancel · instant · en/es | ## Why each made the list - **Night Bioluminescence Snorkel Tour** — A fast boat takes you to Bioluminescent Bay for snorkeling after dark. Snorkel equipment, bottled water and soda are included; bring your own towel, and note that the outing is not recommended for travelers with poor cardiovascular health. 4.93 from 1065 reviews at €132 per person for 2h. - **Private: Bioluminescence Tour** — Bioluminescence is the focus of this private tour for your party, with standalone and longer charter options. Water is included and snorkel gear can be requested through the booking portal; priced per group, with moderate fitness required. 4.9 from 63 reviews at €544 per group/vehicle for 2h. - **Grand Cayman - Bioluminescent Bay Tour** — Stop at Starfish Point before heading into the bioluminescent bay, where you can swim wearing a snorkel mask. Water, a cooler, snorkeling equipment and a life vest are included; transport is excluded and minimum passenger numbers apply. 4.58 from 383 reviews at €104 per person for 2h 45m. ## Other collections in Grand Cayman - [Stingray City Tours](https://guidekin.com/caribbean/grand-cayman/stingray-city-tours/?format=md) — 38 tours - [Snorkeling Tours](https://guidekin.com/caribbean/grand-cayman/snorkeling-tours-grand-cayman/?format=md) — 33 tours - [Private Tours](https://guidekin.com/caribbean/grand-cayman/private-tours-grand-cayman/?format=md) — 27 tours - [Private Boat Charters](https://guidekin.com/caribbean/grand-cayman/private-boat-charters-grand-cayman/?format=md) — 19 tours - [Cruise Ship Excursions](https://guidekin.com/caribbean/grand-cayman/cruise-excursions-grand-cayman/?format=md) — 18 tours - [Catamaran & Boat Tours](https://guidekin.com/caribbean/grand-cayman/catamaran-boat-tours-grand-cayman/?format=md) — 5 tours ## FAQ **How many bioluminescence tours in Grand Cayman are available on Guidekin?** 3 bioluminescence tours are available for booking in Grand Cayman on Guidekin. The top-rated is Night Bioluminescence Snorkel Tour with 4.93/5 from 1,065 reviews. **How much do bioluminescence tours in Grand Cayman cost?** Prices range from €104 to €132 per person. The most affordable option is Grand Cayman - Bioluminescent Bay Tour at €104. The premium choice is Night Bioluminescence Snorkel Tour at €132. **What are the best bioluminescence tours in Grand Cayman?** Based on 1511 traveler reviews across 3 tours, Night Bioluminescence Snorkel Tour leads our rating, weighted by review volume: 4.93/5 (1,065 reviews). **How long do bioluminescence tours in Grand Cayman last?** Duration ranges from 2h to 2h 45m. The shortest is Private: Bioluminescence Tour at 2h. The longest is Grand Cayman - Bioluminescent Bay Tour at 2h 45m. **How do I book bioluminescence tours in Grand Cayman on Guidekin?** Browse 3 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 bioluminescence 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/caribbean/grand-cayman/bioluminescence-tours-grand-cayman/: | 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/caribbean/grand-cayman/bioluminescence-tours-grand-cayman/?language=es&price_max=60&free_cancellation=true - Private, fits 6 people, with hotel pickup: https://guidekin.com/caribbean/grand-cayman/bioluminescence-tours-grand-cayman/?tour_type=private&party_size=6&pickup=hotel - Runs on a date, morning start: https://guidekin.com/caribbean/grand-cayman/bioluminescence-tours-grand-cayman/?date=2026-10-31&departure=morning Full directory with live option counts: https://guidekin.com/caribbean/grand-cayman/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.