Dive Site: McDonald's Arch

About McDonald's Arch

McDonald's Arch is a premier dive site located off Grand Turk in the Turks and Caicos Islands, forming part of the protected Columbus National Marine Park. This site is renowned for its distinctive coral arch formations, which give the location its name and provide unique swim-through opportunities. The archways are a notable geological feature, attracting divers to explore this vibrant underwater landscape. The dive begins at a reef starting around 15 meters (50 feet) and gradually slopes down to a maximum depth of 30 meters (100 feet). Another reference suggests a starting depth of 9 meters (30 feet), sloping to 12 meters (40 feet) before plunging to 17 meters (55 feet). These varying depth profiles offer exploration across different reef sections and along a wall. The topography is characterized by spectacular arches and the edge of a deep wall, making for a spatially engaging dive. Marine life here is abundant and diverse, with frequent sightings of large schools of glass-eye snappers and French grunts within the archways. Green and hawksbill turtles are common residents, often observed cruising through the site. Divers should also keep an eye on the blue water beyond the wall for reef sharks. Other species such as groupers and moray eels have been noted on dives in the Grand Turk area, indicating a rich ecosystem. Thanks to typically clear visibility, often reaching 60 meters (200 feet), McDonald's Arch is accessible for both beginner and experienced divers. It is a short boat ride from Grand Turk, making it a convenient destination. Divers can expect a relatively relaxed experience, with the primary challenge being the depth for those exploring the deeper sections of the wall.

Dive site facts: McDonald's Arch

Depth

9–70 m

Typical dive

15–30 m, 50–60 min

Current

Mild

Visibility

30–60 m

Water temperature

26–29°C

Entry

Boat / backroll

Level

All levels, AOWD for deep wall

Dive type

Wall, arch, reef

Region / port

Grand Turk

Coordinates

21.47, -71.13

Conditions & Currents

Currents at McDonald's Arch are generally mild, making it an accessible site for various diver skill levels. However, as it is situated near a dramatic wall, occasional subtle movements can be expected, particularly closer to the drop-off. Visibility is consistently outstanding, frequently exceeding 30 meters and often reaching 60 meters, ensuring clear views of the arch and the extensive wall. There are no notable thermoclines or significant surge reported here. Entry is typically a standard backroll from a boat, and exit involves ascending directly to the boat. Divers should still plan their air consumption considering the potential for deeper exploration along the wall after passing through the arch.

Marine life & sighting chances

Glass-eye snappers

common

French grunts

common

Green turtles

occasional

Hawksbill turtles

occasional

Reef sharks

occasional

Grouper

occasional

Angelfish

common

Parrotfish

common

Tang

common

Yellowtail snapper

common

Moray eel

occasional

Pipefish

occasional

Humpback whales

January–April · rare

Dive profile & how the dive runs

Your dive at McDonald's Arch typically begins with a descent to approximately 9 to 15 meters, landing on a white sandy patch. From here, you'll swim across the sand, gradually sloping downwards towards the main attraction: the coral arch. The arch itself is situated around 16 meters, and you'll navigate through it to emerge on the other side directly onto the Grand Turk wall. The wall then plunges dramatically into the deep blue, offering the opportunity to descend to depths of 70 meters or more for experienced divers. After exploring the wall, the typical route involves ascending along the reef's face, making your way back towards shallower sections for a safety stop. The dive concludes with an ascent to the surface, where the boat awaits.

Underwater photography

McDonald's Arch offers superb photographic opportunities, particularly for wide-angle shots of its impressive coral arch and the dramatic wall drop-off. A wide-angle lens is essential to capture the scale of the arch and the expansive blue beyond. When swimming through the arch, consider your lighting to highlight the structure against the background. For macro enthusiasts, the reef surrounding the arch and along the wall hosts a variety of smaller creatures like pipefish, so bring a macro lens or wet lens for detail shots. The exceptional visibility makes natural light photography often sufficient, but strobes will enhance color and detail, especially in deeper sections or within the arch's shadows. Maintain excellent buoyancy control to avoid damaging the delicate coral formations, particularly when positioning for shots inside the arch.

Combine with nearby dive sites

• Grand Turk Wall

  A continuous, spectacular wall system offering diverse dive experiences adjacent to McDonald's Arch.

• The Amphitheatre

  Another Grand Turk site known for its natural amphitheater-like coral formations.

• Shark Hotel

  A popular Grand Turk site frequently visited by Caribbean reef sharks.

• Molasses Reef

  Known for golden-brown corals and rich marine life on a wall dive, located at French Cay.

Getting there & logistics

Access to Grand Turk, and consequently McDonald's Arch, is typically through Providenciales International Airport (PLS), which receives direct flights from major hubs in the US, Canada, and the UK. From Providenciales, domestic flights connect travelers to Grand Turk. Dive trips to McDonald's Arch are primarily organized by local dive operators departing from Grand Turk. Most liveaboards or land-based dive packages in Turks & Caicos will include Grand Turk sites as part of their itinerary, often combining them with other impressive wall dives. Day trips from Grand Turk are common, usually lasting half a day and including one or two dives. There are no specific entry fees for the dive site itself, but dive operator costs will apply.

Safety & environment

Diving at McDonald's Arch requires standard dive safety practices. The nearest recompression chamber is located in Providenciales. In case of a dive emergency on Grand Turk, evacuation to Providenciales for recompression therapy would be necessary, emphasizing the critical need for comprehensive dive insurance. Always dive with a reputable operator, follow your dive guide's instructions, and adhere to conservative dive profiles, especially when exploring deeper sections of the wall. Maintain good buoyancy control to protect the fragile coral structures, especially when navigating through the arch. Be mindful of boat traffic when ascending to the surface, and ensure proper surface signaling. Always dive within your certified limits, and do not attempt to exceed safe depths or dive times.

Who it suits — and who it doesn't

FAQ

McDonald's Arch FAQ

Liveaboards diving McDonald's Arch

These liveaboards may visit McDonald's Arch on selected itineraries — the exact dive sites depend on departure, weather and conditions.

Turks and Caicos Explorer II

Turks & Caicos

20 guests

$249/day

Turks & Caicos Aggressor II

Turks & Caicos

18 guests36.6 m

$328/day