Scuba Diving La Paz Mexico (2026): Best Sites, Tours & What to Expect

Scuba diving in La Paz, Mexico gives you access to one of the most densely diverse marine environments on Earth. The Sea of Cortez holds more than 800 marine species in the bay alone, and a single dive day here can put you with California sea lions, sea turtles, schooling fish, and historic shipwrecks, with the occasional hammerhead shark for lucky divers. This guide covers the best dive sites, the top-rated bookable tours in 2026, what things actually cost, and what to know before you book.

La Paz diving is a year-round activity, but conditions and marine life shift significantly by season. The sea lion colony at Los Islotes, the top site in the bay, is closed to diving June 1 through August 31, so your trip timing matters more here than at most destinations.

Los Islotes

Los Islotes is the top dive site in La Paz and one of the best sea lion encounters in the Sea of Cortez. A permanent colony of roughly 700 California sea lions lives on these rocky outcrops at the northern tip of Isla Espiritu Santo. Juvenile sea lions are naturally curious and will swim in loops around divers, follow bubbles, and pass through narrow sea caves alongside you. Depth at the main site runs 5–18 meters, making it accessible to Open Water certified divers. The site is closed to diving June 1 through August 31 under CONANP regulations during the breeding season.

What catches most divers off guard is how much more intimate the encounter is underwater compared to snorkeling. You are at depth alongside the animals rather than watching from the surface, and the sea lions are noticeably more interactive with scuba divers than with snorkelers above. If you are already planning a whale shark tour that includes a surface sea lion stop, adding a separate scuba day at Los Islotes is still worth it; the experience is genuinely different. Diving farther south too? Our Cabo San Lucas scuba diving guide covers the dive sites around Cabo.

El Bajo (Marisla Seamount)

El Bajo is an offshore seamount about 8 miles northeast of Los Islotes, and it is the site that made La Paz famous among advanced divers for schooling hammerhead sharks. The seamount peaks at around 18 meters with walls dropping to 30+ meters, and the open-water conditions require Advanced Open Water certification. Hammerhead sightings are possible but no longer reliable; a January 2026 reviewer on our top-pick tour reported seeing them. The site also produces amberjack, tuna, and occasional manta ray sightings. The same offshore zone is also prime territory for yellowfin tuna from the surface; if you want to fish it rather than dive it, see our La Paz fishing charters guide. Expect current. We'd shortlist El Bajo for advanced divers specifically, because the seamount conditions are genuinely different from the bay diving and not something Open Water divers can access on the same day.

Shipwrecks: Salvatierra, Fang Ming, and C-59

La Paz has three diveable shipwrecks within range of day-trip operators. The Salvatierra is a car ferry that sank in 1976 and now rests at about 18 meters, the most popular wreck dive in the bay, with good marine life colonization including puffer fish, eels, and goatfish. The Fang Ming is a deliberately sunk drug-running vessel near Isla Espiritu Santo with a maximum depth of about 22 meters. The C-59 is a former Mexican navy minesweeper scuttled as an artificial reef at about 22 meters, with sea fans and schooling fish throughout the superstructure. Wreck choice depends on the group's certification level and the day's conditions. If your operator offers site flexibility, the wrecks are worth requesting as your second tank rather than defaulting to a reef; reviewers who dove them consistently describe the marine life colonization as a genuine highlight.

La Reina and Rocky Reef Sites

We like La Reina for divers focused on biodiversity over headline encounters: the rocky reef systems around La Reina and the southern tip of Isla Espiritu Santo offer sea turtles, large schools of fish, eels, rays, and colorful invertebrate life at accessible depths. These sites are typical second dives on most day-trip itineraries, offering a calmer counterpart to the seamount or wreck first dive.

Only two La Paz dive days on Viator currently combine live availability with a recent guest-review record: a shared small-group day from the La Paz Malecón and a private day trip from Cabo San Lucas. Several private La Paz dive charters are still listed but have had few or no reviews in the last six months, so we have left them out until that changes.

Shared tours meet at the Malecón (Paseo Álvaro Obregón 220) at about 8:30 AM, board a panga or small speedboat, and sail for roughly an hour and a half to the dive sites around Isla Espiritu Santo and Los Islotes. The day covers two tank dives at different sites with a surface interval and beach lunch in between or after. Shared tours return between 3 and 4 PM; the private trip from Cabo gets back to Los Cabos around 6 PM.

What typically happens is the first dive covers the headline site: Los Islotes sea lion colony (September–May), a shipwreck, or El Bajo seamount for advanced divers. The second dive is usually a reef, La Reina, or a second wreck, chosen based on conditions and the group's preferences. Depths run 5–18 meters for Open Water divers; the wrecks reach about 22 meters, and El Bajo drops to 30+ meters and requires Advanced Open Water.

The beach lunch is a consistent highlight. Most days include lunch and drinks on a remote beach on Isla Espiritu Santo, not just a packed lunch on the boat. It is part of the experience, not just a logistical stop.

What's included on both tours here: a guide, lunch, and drinks. What varies is the full equipment kit (BCD, wetsuit, regulator, mask, fins, dive computer). Mexico Travel Adventure charges rental separately, while the private trip from Cabo includes all scuba equipment. Confirm before booking. Most people don't realize the full rental cost until they're at the dock; getting a price list by email before departure avoids the surprise.

The main pricing split is shared vs. private, and whether equipment rental is included.

Mexico Travel Adventure's price includes all fees and taxes, including the national park fee. Gratuities are not included anywhere and are customary for guides and boat crew.

• Consider the sea lion dive the main event, not a bonus. Reviewers who did both a whale shark snorkel and a scuba sea lion dive consistently describe the underwater encounter at Los Islotes as more memorable. You are at depth alongside the animals rather than watching from the surface. If you are already planning a whale shark tour, the scuba day is still worth adding.
• Plan whale sharks and diving on separate days. A dive day runs until mid-afternoon, so pair it with a whale shark snorkel (November through April) on another morning. The two experiences are genuinely different: surface vs. underwater, passive vs. interactive.
• Check certification requirements before booking. Mexico Travel Adventure's tour is for certified divers (PADI Open Water or equivalent), with a DSD course available at extra cost for beginners. The private trip from Cabo is for divers with some experience. El Bajo seamount requires Advanced Open Water.
• Confirm exactly what equipment is included. Mexico Travel Adventure charges rental separately; the private trip from Cabo includes everything. A group of 4 on a shared tour with full rental and their own transport from Cabo can cost close to what the private day does per person.
• Check whether park fees are included. Mexico Travel Adventure includes all fees and taxes. If you book any other operator, confirm whether the Isla Espiritu Santo marine park fee is extra so you have cash ready.
• Book sea lion dives between September and May. Los Islotes closes to diving June 1 through August 31 under CONANP regulations. If that's the main reason you're coming, plan accordingly.
• Run the per-person math if you're staying in Cabo. The private trip from Cabo is $1,300 for up to 4 divers, about $325 per person at capacity, with all gear and transport included, against a shared La Paz tour plus rental plus your own 2-hour drive each way.
• Request a wreck as your second dive if possible. The Salvatierra, Fang Ming, and C-59 are consistently described as a genuine highlight, not just a fallback. If your operator offers site flexibility, ask about a wreck for the second tank.
• Bring your dive certification card. Physical or digital. Operators verify certifications before the dive.
• Wetsuits are recommended year-round. A 3mm shorty works in summer; a 5mm full suit is more comfortable November through March. If not included in your tour, rent one; water temperature drops noticeably at depth.
• Add a Balandra visit on a spare day. If you have an extra half-day in La Paz after your dive, Playa Balandra is 27 km north and one of the most scenic bays in Baja. No boat required; accessible by taxi or rental car.
• Book an evening food tour after your dive day. Two-tank dive tours typically finish by mid-afternoon. La Paz's downtown street food and taco tours include an evening taco trail, covering local spots rarely found without a guide: a natural cap to a day on the water.
• Try sandboarding at the Mogote Dunes on another afternoon. Sunset sandboarding sessions leave around 4:00 PM, so they fit best on a non-dive day. The sunset sandboarding tour runs about 3 hours from $54 and is a desert contrast to the underwater day.
• Visiting in May? May brings warm, calm water and light crowds, making it one of the best value months to dive the Sea of Cortez; our La Paz in May guide covers conditions, prices, and the warm-water season.
• Visiting in February? Winter brings some of the clearest underwater visibility of the year in cool 20–21°C water; our La Paz in February guide covers conditions, crowds, and what else to pair a dive day with.
• Visiting in June? Warm 26°C summer water brings active reef life and the mobula ray season at low-season prices; our La Paz in June guide covers conditions and what else to do.
• Visiting in July? July's warm 28°C water makes for comfortable, lively summer diving; our La Paz in July guide covers conditions, heat planning, and what else to do.
• Visiting in September? September holds the year's warmest water at 30°C for warm diving between storm systems; our La Paz in September guide covers conditions and planning around the weather.
• Where to stay: Our guide to the best hotels in La Paz ranks ten by verified guest reviews, from $61 a night downtown.
• Planning more activities in La Paz? See our complete guide to the best things to do in La Paz to compare whale sharks, Isla Espiritu Santo, Playa Balandra, sandboarding, fishing, and more.