Phi Phi islands snorkeling: every boat with a reef stop, from $35

Phi Phi islands speedboat snorkeling works the same way on every listing here: the boat anchors, the gear comes out, and you have the water for as long as the crew holds position.

The islands are limestone, which means walls going straight down into clear water and reef growing along the edges of them. The operators return to the same four or five places, and knowing their names makes the listings far easier to compare.

Loh Sama. Named by $37, which promises snorkelling with colourful fish among coral there. It sits on Koh Phi Phi Ley, next door to Maya Bay, which is why the two so often appear in the same paragraph of a listing.

Near Viking Cave. $81 puts its stop in the clear water near the cave and speaks of vibrant marine life; $125 names the colourful coral reefs there. It is the most-named reef on this site.

Pileh Lagoon. Enclosed emerald water between cliff walls, and a swim stop on almost every full day. $37 describes swimming among colourful fish and coral there; $46 calls the lagoon’s clear water perfect for snorkeling and taking in the scenery. A Phi Phi islands snorkeling lagoon stop is the calmest water of the day.

A site chosen on the day. $35 is honest about this: it snorkels at a selected Phi Phi site when conditions allow. That is how most operators work even when they do not write it down, and it is a good sign rather than a bad one.

At night. $40 and the afternoon option of $44 both end in the dark with bioluminescent plankton — glowing water rather than fish. $44 names it too.

For the best day overall, book $79. Nine hours from Krabi spent sunning, swimming and snorkelling, with Maya Bay and Pileh Lagoon early, a Thai buffet lunch on the beach and the 4 Islands afterwards. 4.9 across 3,492 reviews is the strongest combination of rating and volume on this site, and it is our top pick.

For the lowest fare, book $35. Maya Bay through the official Loh Samah access route, a swim in Pileh Lagoon, a snorkel site chosen when conditions allow, Khai Island, buffet lunch and National Park fees inside the booking. For a Phi Phi islands snorkeling tour this is as much day as the money buys.

For marine life, book $44. Five hours from Koh Phi Phi Don to Koh Phi Phi Ley, with snorkel stops chosen for an increased chance of turtles and blacktip reef sharks, gear included, soft drinks and fresh fruit on board, Maya Bay and Monkey Beach, and glowing plankton at the end. It is the clearest answer on this site for snorkeling Phi Phi islands fish coral and something with fins.

For the most booked option, book $37. Seven hours, 3,881 reviews, and the clearest snorkel description of any listing here: colourful fish among coral at Loh Sama, then Pileh Lagoon, Koh Pai and the cliffs of Viking Cave and Monkey Bay.

For calm, shared water, book $98. A 40-guest speed catamaran sold to 28, with high-quality snorkelling equipment and safety gear named in the listing, English-speaking guides, and Maya Bay, Pileh Lagoon and Bamboo Island in the day. That combination makes it the easiest Phi Phi islands snorkeling family booking here.

For something you will not see elsewhere, book $40. Five hours in the evening: Maya Bay and Pileh Lagoon in the late light, blacktip reef sharks, tropical fish and corals underwater, sunset over the sea, then snorkelling with plankton that flashes and glows around you in the dark.

Gear. The listings that mention it include it. $98 names high-quality snorkelling equipment and safety gear; $44 and $1,197 both say the gear comes with the booking. Nothing on this site expects you to bring your own.

The water. Every listing here reaches for the same three words — crystal clear, turquoise, emerald. $46 calls it clear turquoise water you snorkel with the fish in; $55 promises snorkelling in crystal-clear water with vibrant marine life. Phi Phi islands snorkeling clear water is the product, and it is why the stops are chosen on the day.

How long a stop lasts. No listing on this site states it in minutes. On a seven-to-nine hour day, expect one or two stops inside an itinerary that also has Maya Bay, a lagoon, lunch and one more island in it. If the water is the point rather than the sightseeing, the shorter boats give it a bigger share of the day: $44 at five hours and $44 at four.

Who it suits. The lagoon stops are enclosed and calm, which is why a Phi Phi islands snorkeling couple or a family with younger swimmers is usually steered there first. The reef stops near Viking Cave are open water beside a cliff. Both are guided, and $98 names English-speaking guides specifically.

Coral. $125 names colourful coral reefs, $37 names coral at Loh Sama, and $40 names corals alongside the reef sharks. A Phi Phi islands snorkeling coral reef stop is on most of these itineraries, but it is a stop rather than the headline.