Isla Partida: The Quiet Half of Espíritu Santo

Isla Partida is the northern half of the Espíritu Santo archipelago, separated from its larger neighbor by a channel so narrow that at low tide you can nearly wade across. It holds the archipelago's most photographed beach, Ensenada Grande, and the sea lion colony at Los Islotes lies just off its northern tip. No one lives here and there are no facilities — every visit starts with a boat from La Paz, roughly 25 kilometers (about an hour by panga) across the Bay of La Paz.

Most day tours treat Partida as a lunch stop: snorkel with the sea lions first, then eat ceviche on Ensenada Grande's white sand. That itinerary is genuinely good, but it sells the island short. Partida is where the kayakers camp, where sailors anchor for a week, and where you can walk a dry arroyo between cardón cacti and look down on water the color of a swimming pool. If you have the time, spend more than an afternoon here.

Getting to Isla Partida from La Paz

By organized tour

Nearly everyone visits on a full-day boat tour from La Paz. Tours run roughly 6–7 hours, leave between 9 and 10 a.m., and cost about 1,400–2,500 MXN per person (roughly $75–$135 USD) depending on the operator, boat size, and whether lunch and snorkel gear are included. Most depart from the malecón or the marina and make the crossing in 45–60 minutes. Small-group tours on faster boats get you to Los Islotes before the big catamarans arrive — worth paying a little more for if you want the sea lions to yourself.

A word on the national park fee: every visitor must wear a CONANP wristband, sold separately from the tour price. In 2025 the rate rose; expect roughly 225 MXN for foreign adults, with exemptions for children under 12, seniors, and people with disabilities. Fees change — check the official CONANP site for current rates.

By panga from Playa El Tecolote

Independent travelers can drive or take a taxi 25–30 minutes north of La Paz to Playa El Tecolote, where local captains run pangas across to the islands. This used to cost about $55 USD per person; today expect to negotiate, and be aware that a panga ride is not a tour — no guide, no snorkel gear, and the captain decides where to land based on conditions. It's the cheaper, rougher option, and it works best if you speak some Spanish and have a flexible schedule.

By kayak or private sailboat

Sea kayak expeditions launch from Playa El Tecolote or Pichilingue and take 3–8 days to circumnavigate the archipelago. Private sailboats and yachts anchor at Ensenada Grande and Caleta Partida, but anchoring and going ashore both require a park pass, and overnight camping requires a permit from CONANP (arrange it in La Paz in advance, not at the island).

What to Do on Isla Partida

Ensenada Grande

This crescent bay on the island's west side is the beach everyone comes for — The Travel Magazine once named it Mexico's most beautiful beach, and it regularly appears on top-12-in-the-world lists. The water is calm, shallow, and impossibly clear; the sand is fine and white; the backdrop is a wall of rust-colored volcanic cliffs. There are no restrooms, no shade structures, and no fresh water. Tour operators bring portable toilets and shade canopies, but if you're on your own, bring everything and pack it out.

Go early. By 11 a.m. the tour boats start arriving, and by midday the beach can feel crowded. A morning kayak or paddleboard along the cliffs, before the armada lands, is the best hour of the day here.

Snorkeling at Los Islotes

The sea lion colony at Los Islotes, just north of Partida, is the highlight of most tours. The rocks are honeycombed with arches and ledges, and the sea lions — around 150 in winter, more than 300 in summer — are curious and playful in the water. Snorkeling is regulated: you must stay in the designated zone, and the park's rules prohibit landing on the rocks themselves. Note that swimming with the sea lions is typically suspended from June to August, when the colony is breeding.

Hiking and exploring

The island has a network of authorized trails, including a route up to a viewpoint over Ensenada Grande and another to a dry waterfall at El Candelero. The terrain is desert — cardón cacti, brittle brush, and lizards — and the heat is serious. Carry at least a gallon of water per person per day if you're hiking, and wear shoes with grip; the volcanic rock is sharp. From the ridge above Ensenada Grande you can see the whole bay and, on a clear day, the mainland coast.

Caleta Partida

This shallow channel between Partida and Espíritu Santo is a favorite anchorage for sailors. At low tide a sand spit almost connects the two islands, and kayakers can paddle through the narrow cut. The water is a pale, luminous turquoise, and the beaches on either side are quiet. If you're on a multi-day charter, this is where you want to spend the night.

When to Visit and What to Expect

The best months are November through May, when daytime temperatures sit between 18°C and 28°C and the north winds that rake the Sea of Cortez in winter are less constant. Water temperatures range from about 18°C in winter to 30°C in summer — a wetsuit is a good idea outside June–September, even if the air is warm. Summer brings heat (over 30°C) and occasional storms; the trade-off is warmer water and fewer boats.

The island is open for daytime access year-round, subject to sea conditions. There is no drinking water, no food, no cell signal, and no shade on the beaches. Bring sun protection, cash for the wristband fee, and a dry bag. If you get seasick, take precautions before the crossing — the return trip in the afternoon can be choppy.

Frequently Asked Questions

How do I get to Isla Partida from La Paz?

The only way is by boat. Join a full-day tour from La Paz (roughly 1,400–2,500 MXN per person, including the 45–60 minute crossing), or take a panga from Playa El Tecolote, about 25–30 minutes north of the city. Independent boaters need a CONANP park pass to anchor or go ashore.

Can I camp on Isla Partida?

Yes, but only with a permit from CONANP and only in designated zones such as El Candelero and Ensenada Grande. Overnight stays for occasional visitors are capped at three nights. There are no facilities, so bring water, shelter, and a portable toilet. Arrange the permit in La Paz before you go.

Is Ensenada Grande good for kids?

With a tour operator, yes — the water is calm and shallow, and operators bring shade and life jackets. Without one, no: there's no shade, no restroom, and no lifeguard. Keep children close, bring UV shirts, and avoid the midday heat.

Can I swim with the sea lions at Los Islotes?

Yes, in the designated snorkeling zone, and typically only outside the June–August breeding season. The park limits the number of boats and swimmers, and landing on the rocks is prohibited. Book a small-group tour for the best experience.