If you are picturing a lounge at Ladouanie Airport (LDO), reset that expectation now: this is a small interior airstrip in Suriname, one of many scattered through the country's interior, built for point-to-point domestic flying rather than passenger comfort.
The ground-side reality at a strip like Ladouanie is basic by design: expect a small shelter or open-sided waiting area rather than an enclosed terminal building, with little more than a bench and shade while you wait for your flight. There is no check-in counter in the sense a city traveler would recognize, no lounge, and no pay-in premium space, because the entire operation is built around getting passengers and cargo to remote communities rather than around a long, comfortable wait.
These interior strips connect chiefly to Paramaribo, Suriname's capital, through small domestic carriers such as Gum Air and Blue Wing Airlines flying out of Zorg en Hoop Airport, the city's domestic airfield, rather than the larger Johan Adolf Pengel International Airport used for international flights. If lounge access is part of your planning, Paramaribo is the place to look, and even there expect a modest picture: any lounge space tends to be small and tied to a specific operator rather than open to a broad card network, so confirm current options directly rather than assuming coverage.
For a trip that includes Ladouanie, plan your comfort expectations around the interior strip's basic shelter and Paramaribo's more developed but still modest lounge picture, not around anything resembling a major-airport lounge. Build in flexibility for weather-dependent interior schedules, and treat any premium wait as something to arrange once you reach Zorg en Hoop or Johan Adolf Pengel rather than at Ladouanie itself. The strip's role in the interior network is transport first, and any comfort planning belongs at the Paramaribo end of the trip.