DiveCodex

Tossa de Mar

The Costa Brava's shore-diving capital — 50+ sites with minimal currents, seahorse colonies, and five established centers in a marine reserve, all within walking distance of the beach.

Overview

Tossa de Mar is the Costa Brava's shore-diving capital — walk across the sand at Mar Menuda, wade in, and within minutes you are among moray eels, octopuses, and seahorses at depths you choose yourself, with currents so mild they are often imperceptible. Five independent dive centers with 20 years of experience each compete to show off more than 50 sites spanning every level. Roca Muladera delivers what locals call the best bottom in Tossa: a wide rocky plateau populated by large groupers. Tres Barres hosts the area's highest nudibranch diversity. Roca de Santa Anna at 25 to 36 metres is the most requested advanced dive, where sunfish appear in summer. The shore-diving culture sets Tossa apart: where Medes and Palamos require boats, Tossa lets you walk in from the beach. For macro photographers, the resident seahorse colonies and nudibranch variety have created a quiet specialist reputation.

Planning your visit

Mar Menuda beach is the anchor point — arrive at your center, gear up, and walk to the water. No harbour logistics or boat schedules for shore dives. For boat dives, departures leave Tossa port with 5 to 25 minutes of navigation. The Tramontana wind can shut down exposed sites, but Mar Menuda faces south and stays protected in most conditions. Five centers with strong reputations compete here, so language, group size, and specialty interests (macro photography, technical diving, family) are the best criteria for choosing.

Geology & underwater terrain

Tossa de Mar sits on Hercynian granite — massive plutonic rock formed deep underground during the Variscan Orogeny and later uplifted to the surface. Marine erosion along the granite's natural jointing systems has sculpted the characteristic rounded boulders, arches, and tunnels that define diving here, while sheltered coves collect sandy beds colonised by Posidonia meadows. The light-coloured granite provides excellent contrast for underwater photography.

Dive Sites (1)

Photos & Video

Bream

Jouni Kuisma

Morena

Jouni Kuisma

Hermit Crab

Jouni Kuisma

Hermit Crab

Jouni Kuisma

Pulpo

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Anemone, Cangrejo Araña

Jouni Kuisma

Anemone

Jouni Kuisma

Medusa

Jouni Kuisma

Anemone, Cangrejo Araña

Jouni Kuisma

Morena

Jouni Kuisma

Cabrilla

Jouni Kuisma

Morena

Jouni Kuisma

Jouni Kuisma

Scorpionfish

Jouni Kuisma

Leach'S Spider Crab, Cangrejo Araña, Inachus Phalangium

Jouni Kuisma

Cabrilla

Jouni Kuisma

Cabrilla

Jouni Kuisma

Bothus Podas, Podas

Jouni Kuisma

Barriguda, Blenny

Jouni Kuisma

Cratera Peregrina, Flabellina, Nudibranch

Jouni Kuisma

Flabellina Affinis, Nudibranch

Jouni Kuisma

Lisa

Jouni Kuisma

Anemone

Jouni Kuisma

Flabellina Affinis, Nudibranch

Jouni Kuisma

Pulpo

Jouni Kuisma

Blenny

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Congrio

Jouni Kuisma

Chromis, Morena

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Bream

Jouni Kuisma

Chromis, Damselfish

Jouni Kuisma

Chromis, Damselfish

Jouni Kuisma

Dorada

Jouni Kuisma

Jouni Kuisma

Pulpo

Jouni Kuisma

Jouni Kuisma

Nudibranch

Jouni Kuisma

Jouni Kuisma

Morena

Jouni Kuisma

Scorpionfish

Jouni Kuisma

Hermit Crab

Jouni Kuisma

Pulpo

Jouni Kuisma

Anemone, Cangrejo Araña, Crab

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Nacra

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Cardinalfish

Jouni Kuisma

Labrido

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Anemone

Jouni Kuisma

Anemone

Jouni Kuisma

Morena

Jouni Kuisma

Tubeworm

Jouni Kuisma

Castañuela, Chromis Chromis, Damselfish

Jouni Kuisma

Cabrilla

Jouni Kuisma

Cabrilla

Jouni Kuisma

Coris Julis, Julia

Jouni Kuisma

Sarpa Salpa

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Diplodus Vulgaris, Mojarra

Jouni Kuisma

Jouni Kuisma

Cabrilla

Jouni Kuisma

Sarpa Salpa

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Jouni Kuisma

Tubeworm

Jouni Kuisma

Bream

Jouni Kuisma

Morena

Jouni Kuisma

Flabellina Affinis, Nudibranch

Jouni Kuisma

Lisa

Jouni Kuisma

Lisa

Jouni Kuisma

Lisa

Jouni Kuisma

Tubeworm

Jouni Kuisma

Jouni Kuisma

Pulpo

Jouni Kuisma

Blenny

Jouni Kuisma

Frequently Asked Questions

Is Tossa de Mar good for beginners or rusty divers?
It's arguably the best place on the Costa Brava for exactly that. The shore dives at Mar Menuda start in a sheltered bay with negligible currents, multiple exit points, and depth you control yourself. Five centers with 12-20+ years of experience each specialize in small groups and personal attention. Forum divers specifically recommend Tossa for people who haven't been in the water for a while.
What's the best time to see seahorses in Tossa?
Seahorse colonies are resident year-round, with summer being peak season. The key is diving with a guide who knows their current locations — as one forum user put it, 'the seahorses are on the payroll if you dive with Chiqui Bustos' at SuperDive Tossa. Dedicated macro photography dives give you the best chance.
Can I combine shore diving and boat diving in the same trip?
Absolutely — that's Tossa's strength. Start with shore dives at Mar Menuda to warm up and assess conditions, then add boat dives to sites like Roca Muladera or Tres Barres (5-10 minutes out). If you're advanced, the deep offshore pinnacles at Roca de Santa Anna are the area's most requested boat dive, with frequent sunfish sightings in summer.
How does Tossa compare to Illes Medes?
Different strengths. Medes has the marine reserve prestige, legendary groupers, and cave systems — all from boats. Tossa has shore diving with zero currents, seahorse colonies, nudibranch diversity, and a more relaxed atmosphere. Medes requires advance booking with daily diver limits; Tossa is more spontaneous. Many Costa Brava regulars dive both areas in the same trip.
Is there shore diving in Tossa de Mar?
Tossa is the Costa Brava's shore-diving capital. Mar Menuda beach is the main entry point — walk in from the sand into a sheltered bay with negligible currents and multiple routes at depths you choose yourself. La Cueva de Tossa, Asunción, El Acuario, and La Llosa are all shore-accessible. Forum divers specifically recommend Tossa for shore diving over boat-dependent alternatives like Medes or Palamós.
Are there seahorse colonies in Tossa de Mar?
Yes — resident seahorse colonies are one of Tossa's signature draws, present year-round with summer as peak season. The key is diving with a local guide who tracks their current locations. SuperDive Tossa and instructor Chiqui Bustos have a particular reputation for finding them. Dedicated macro photography dives give the best opportunity.
When is the best time to dive in Tossa de Mar?
The full season runs May to October, with September-October as the sweet spot: water is still warm at 19-21°C, visibility peaks after summer plankton subsides, marine life is at maximum activity, and crowds thin out. Winter diving is worth considering too — visibility reaches 20-30m+, and species like monkfish, John Dory, and nudibranchs are at their peak.

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