ASTRON - Punta Cana

The Astron wreck is an absolute beast, and a site we genuinely love in Punta Cana. She’s a massive tanker, almost 221 metres long, grounded just off the coast since 1978. Because she’s so shallow, peaking at a mere two metres, this is more of a snorkelling or free-diving expedition than a scuba dive, but don't let that fool you into thinking it's less exciting. You swim over colossal sections of rusted hull, seeing the ship's skeleton slowly being reclaimed by the sea. Sunlight dapples through the water, illuminating schools of tiny fish darting in and out of the metal. We’ve spent hours here, just exploring the broken decks and huge cargo holds. It's an incredible feeling, being right on top of such a huge vessel, watching the waves break over its exposed parts. The sheer scale is what gets you, even at such a shallow depth. It’s a proper adventure for anyone who loves wrecks and isn't afraid to duck under for a closer look.

Location
Punta Cana, Dominican Republic, Caribbean
Coordinates
18.733334, -68.458336
Type
wreck
Maximum Depth
2m

Wreck History - ASTRON

Year Sunk
1978
Vessel Type
cargo ship
Cause
grounding
Tonnage
27,990 GRT

Built in France in 1957, the vessel originally named Esmeralda and later Bonnie would become one of the most famous landmarks in the Dominican Republic. At the time of its loss, the 127-meter motor ship was named Astron and was operating under Russian ownership, a remnant of its Cold War-era service.

On April 7, 1978, the Astron was reportedly en route to Cuba with a cargo of 60 tons of corn when it ran aground in shallow waters off the coast of Punta Cana. While some accounts attribute the incident to a powerful storm, official weather records for that date are clear, leaving the true cause of the grounding a subject of local legend and speculation. The ship broke in two, spilling a large quantity of bunker fuel into the sea.

Today, the Astron is an iconic wreck, with its bow section still jutting prominently from the turquoise water. The stern section lies submerged in about 16 meters of water, making it an accessible and exciting dive. Divers can explore the massive propeller, swim through parts of the superstructure, and observe the abundant marine life that has turned this hulking piece of steel into a thriving artificial reef.

Marine Protected Area: Costa Azul

Best Time to Dive in Punta Cana

The warmest water temperatures in Punta Cana occur in January, averaging 26.7°C. The coolest conditions are in December at 26.7°C.

Monthly Water Temperatures

  • January: 26.7°C (air: 24.9°C)
  • February: 26.7°C (air: 24.7°C)
  • March: 26.7°C (air: 24.9°C)
  • April: 26.7°C (air: 25.4°C)
  • May: 26.7°C (air: 26.6°C)
  • June: 26.7°C (air: 27.3°C)
  • July: 26.7°C (air: 27.4°C)
  • August: 26.7°C (air: 27.6°C)
  • September: 26.7°C (air: 27.7°C)
  • October: 26.7°C (air: 27.3°C)
  • November: 26.7°C (air: 26.1°C)
  • December: 26.7°C (air: 25.4°C)

Nearby Dive Sites in Punta Cana

Nearest Dive Centres to ASTRON

Marine Life in Punta Cana

Home to 253 recorded species including 207 reef fish, 28 hard corals, 5 sharks & rays, 4 other, 3 crabs & lobsters, 2 whales & dolphins.

Notable Species

Recommended Packing List for ASTRON

Based on average water temperature of 26.7°C.

  • Shorty or Rashguard - warm 27°C water needs minimal exposure protection
  • Mask - essential for every dive
  • Fins
  • BCD - buoyancy compensator
  • Regulator - your most safety-critical piece of gear
  • Dive Computer - tracks depth, time, and NDL
  • Surface Marker Buoy (SMB) - essential for boat pickups
  • Dive Torch - useful for crevices and colour at depth
  • Underwater Camera - capture your diving memories