The 15 Best Bioluminescent Plankton Tours in Krabi

1.Krabi 4 Island Sunset Snorkeling Cruise + Bioluminescent Swim

★★★★★★★★★★5.0 · 1,861 reviews · from $130Our pick

Join Michael and his crew aboard a spacious wooden junk for a 6 to 7 hour cruise from Ao Nang or Railay. Snorkel, kayak, paddleboard, and swim around Krabi’s islands, then enjoy a Thai buffet at sunset before an after-dark bioluminescent swim near Phra Nang Cave Beach.

“It was a wonderful experience. We got to snorkel twice and saw several different kinds of fish. Michael, the owner was very attentive and introduced himself to everybody on board. The whole crew was very good and always asking if anyonRead more”

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2.7 Islands Sunset Tour with Plankton Swim and BBQ

★★★★★★★★★★4.0 · 808 reviews · 7 hours · from $49

Spend seven hours visiting Krabi’s island beaches by long-tail boat or speedboat, with snorkeling at Chicken Island and Koh Tan Ming, a sunset BBQ at Phra Nang Cave, and a nighttime swim with bioluminescent plankton. Guides such as Cha, Vee, Ming, and Nicky keep the day moving, while hotel transfers cover Ao Nang, Krabi Town, Klong Mueang, and Tub Kaek.

“It was a beautiful experience with a perfect guide, the tour in the islands was very interesting and the dinner very good and various, the final swim with the plancton was memorable! I totally recommend it!”

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3.4-Island Sunset Snorkeling Tour & Bioluminescent Swim

★★★★★★★★★★5.0 · 308 reviews · 7 hours · from $125

Spend seven hours aboard a spacious Siamese junk with Michael and his crew, visiting Ko Ya Wa Sam, Chicken Island, Ko Poda, and Phra Nang Beach. You get guided snorkeling, paddleboards, kayaking, a Thai buffet, free soft drinks, and a nighttime swim with bioluminescent plankton. Pickup is available in Ao Nang or Railay.

“It was the best time we have ever had! Micheal was so helpful and so informative on everything! The food was AMAZING! They took us to all of the right places to snorkel and the plankton was so beautiful! This is a trip I will remember forever! The crew were all so amazing I can’t recommend this place enough! Thank you all for making this trip special!”

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4.7 Islands Sunset Hopping Cruise with BBQ & Plankton

★★★★★★★★★★4.4 · 250 reviews · from $37

Spend an afternoon and evening with Anda Krabi Sea Tour visiting Phra Nang, Thale Waek, Chicken, Poda, and Tang Ming. Expect a speedboat, snorkeling, fruit and drinks, a Thai BBQ dinner, and a night swim with bioluminescent plankton. Guides such as Palm, Jess, Bee, and Peter are praised for friendly service and helpful photos.

“Great, guide was so friendly and made sure everyone was okay!”

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5.Phi Phi & 4 Islands Sunset tour + Bioluminescent Planktons

★★★★★★★★★★4.4 · 203 reviews · 8 hours · from $83

Set out from Krabi with guides such as M, Em, or Na-im for an eight-hour speedboat tour to Maya Bay, Phi Phi, Bamboo, Poda, and more. Swim at Pileh Lagoon, snorkel with supplied gear, eat a Thai BBQ at sunset, then look for bioluminescent plankton near Ao Nang or Railay. Crowds and rough seas are possible.

“We spent a great day together for Christmas! The guides were wonderful about explaining things, helping us and making sure we were entertained. There was plenty of food and snacks.”

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6.4 Islands Sunset + Plankton, Semi-Private Tour only 12 Guests

★★★★★★★★★★5.0 · 166 reviews · from $81

Join a 12-person speedboat tour from Ao Nang or Railay for Poda, Tup, Chicken Island waters, and Phra Nang Beach. You’ll get Thai food, drinks, snorkeling gear, sunset views, and a short night swim with bioluminescent plankton. Guides such as Hat and Joy are known for keeping the day friendly and well organized.

“We are so glad we did this sunset tour, Hat and the team were welcoming, fun and informative. Plenty of food and drink was provided throughout the afternoon. The time spent in each place was perfect for us, and snorkelling at night with bioluminescent plankton was an experience we won’t forget.”

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7.Krabi 7 Islands Snorkeling & Plankton Night by Big Longtail Boat

★★★★★★★★★★4.0 · 164 reviews · from $52

Spend an afternoon and evening on a large longtail boat visiting Krabi’s Tup, Chicken, Poda, and nearby islands. You’ll snorkel, cross the Thale Waek sandbar, eat a beach buffet, watch the sunset, and swim among bioluminescent plankton. Guides such as AJ and Pong have been praised for attentive help, especially when boarding.

“Really a pleasant n wonderful staff. Very helpful. Would definitely go again if I come back for Thai adventures.”

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8.7 Islands longtail boat with Sunset and Plankton

★★★★★★★★★★3.9 · 101 reviews · 8 hours · from $35Best value

Spend eight hours exploring Phi Phi by boat, with stops at Monkey Beach, Viking Cave, Pileh Lagoon, Maya Bay, Shark Point, Bamboo Island, and more. You’ll get snorkeling gear, lunch, fruit, water, and an English-speaking guide. The sunset and plankton finale sounds magical, but timing and sea conditions can affect what you actually see.

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9.Phi Phi & 4 Islands sunset tour plus bioluminescent plankton

★★★★★★★★★★4.4 · 61 reviews · 8 hours · from $83

This eight-hour speedboat trip from Ao Nang visits Maya Bay, Pileh Lagoon, Viking Cave, Monkey Beach, Bamboo, Chicken, Tup, and Poda islands. You get hotel pickup, snorkeling gear, lunch, snacks, a Thai BBQ, sunset, and a chance to swim with glowing plankton. Expect a busy day, rough water at times, and no guarantee of bioluminescence.

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10.4 Island Tour, Sunset+Plankton, Small Group 12 pax

★★★★★★★★★★4.9 · 44 reviews · 8 hours · from $80

Join a 12-person speedboat tour from Ao Nang or Railay to Poda, Tup, Chicken Island, and Phranang Beach. Guides such as At, Hat, and Pak lead the day, with Thai lunch, drinks, snorkeling, sunset, and a rare night swim among bioluminescent plankton. Expect fast, bumpy boat rides and bring water shoes.

“Warto. Przewodnik "Pak" wszystko ładnie wyjaśnia, zagaduje pokazuje ciekawe rzeczy, liczy wszędzie każdego by nikt nie został. napoje zapewnione cola, fanta woda, lunch tajski bardzo smaczny na koniec owoce. pływanie w nocy zajebiste. Wszędzie było wystarczająco dużo czasu. obowiązkowo buty do wody albo sandały do chodzenia w wodzie. speedboat jest szybki i ktoś kto ma chorobę lokomocyjna tabletki niech weźmie bo szybko mokro i podskakujesz co chwilka. wielki fun ;) Polecam”

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11.5 Island Boat Tour with Night Bioluminescent Stop

★★★★★★★★★★3.5 · 24 reviews · from $100

Spend 13 hours traveling by speedboat from Cartagena through Bocachica, Isla Grande, Cholón, Playa Blanca, and Barú. You get snorkeling gear, a 45-minute snorkel session, a 30,000-peso lunch voucher, a snack, and a nighttime stop to see bioluminescent plankton. English and Spanish guides lead the trip, with Angel singled out for his warm, lively care.

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12.Krabi 7 Islands Snorkeling, Sunset Dinner & Plankton Night

★★★★★★★★★★4.0 · 23 reviews · from $45

Join a small group from Krabi Town or Ao Nang for a five to six-hour island cruise. Snorkel at Yawasom and Ma Tang Ming, walk the sandbar near Tup Island, eat a beach barbecue at Poda, and swim with glowing plankton after dark. Guide Nicky is noted for his humor and attentive service.

“The pickup truck came late. The driver said that he had to stop by other people. We visited many shallow dives. There are a lot of fish here. The barbecue on the beach is delicious. Very beautiful and beautiful sunset. Plankton is interesting. Read more”

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13.7 Islands sunset tour plus bioluminescent plankton + BBQ

★★★★★★★★★★4.3 · 21 reviews · 6 hours · from $41

Spend six hours cruising Krabi’s islands, with stops at Phra Nang, Tup, Chicken Island, Ko Poda, and Ao Nang. You’ll snorkel, swim, walk a sandbar, eat a halal BBQ with a vegetarian option, and look for glowing plankton after dark. Hotel transfers, gear, drinks, snacks, insurance, and an English-speaking guide are included, but park fees and fins cost extra.

“They looked after us well, only downside was the rain but that did mean it was quieter on the beaches. Would recommend.”

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14.7 Island sunset tour by Speedboat | Catamaran plus BBQ & Plankton

★★★★★★★★★★4.0 · 21 reviews · from $51

Set out from Ao Nang at 2:30 pm for a five to six-hour sunset cruise around Railay, Phra Nang, Chicken, Tup, Mor, Poda, and Tang Ming islands. You’ll snorkel, walk a tide-dependent sand bar, eat a Halal BBQ, and look for bioluminescent plankton. Guides such as M and Selina lead the group.

“All the islands were really beautiful, the main guide, “M” was on great. The meal was very good and the snorkeling was an added plus. On the downside, some of the other guests were really rude and pushy, we felt badly for the tour operators.”

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15.Krabi 7 Islands Sunset & Bioluminescence by Longtail boat

★★★★★★★★★★3.5 · 17 reviews · from $46

Spend about eight hours visiting Chicken, Tup, Mor, Poda, Tang Ming, Railay, and Phra Nang by longtail boat. You’ll snorkel, watch the sunset, eat a BBQ buffet, and swim after dark with bioluminescent plankton when conditions allow. Pickup covers Krabi Town, Ao Nang, and Klong Muang. Guides may include Eaky or Boom.

“What an amazing experience! The crew were all amazing! We had the time of our lives and loved every second! Thank you all so much!”

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