Investment Article · Isle of Palms, SC

Short-Term Rental Rules & Investment Potential in Isle of Palms, SC

Isle of Palms is one of the few Charleston-area beach markets where short-term rental income is still a realistic part of the investment thesis — but it's a licensed, regulated business, not a passive add-on. Buyers who understand the rules going in underwrite more accurately and avoid unpleasant surprises after closing.

No Cap on Investor Licenses — For Now

In November 2023, Isle of Palms voters rejected a ballot measure that would have capped non-owner-occupied short-term rental licenses at 1,600. The referendum failed, meaning there is currently no numerical limit on investor STR licenses on the island. That said, the measure only failed by a margin that reflected real, organized local opposition to STR growth — this is a live political issue on IOP, not a settled one. Any buyer underwriting rental income should treat the current rules as the baseline today, not a permanent guarantee, and should verify current ordinance status directly with the City of Isle of Palms Building and Planning Department before closing.

The License Is Real, and So Is the Compliance Burden

Every short-term rental on Isle of Palms requires a business license through the city, along with a Rental Revenue Affidavit, a Fire Safety Acknowledgment Form, and a designated contact available on-site within one hour, 24/7. Homes must be rented in their entirety — renting individual rooms in a single-family home is not permitted. Owners who occupy the home as their primary residence are capped at 72 rental days per year; non-owner-occupied investment properties are not subject to that day limit, which is the structural reason investor-owned STRs remain the dominant model on the island.

Occupancy, Parking, and Fire Safety Rules That Affect Your Marketing

Overnight occupancy is capped at two guests per bedroom plus two, up to a maximum of 12 (children under two excluded). Daytime occupancy can't exceed double the overnight cap or 40 people, whichever is lower. Vehicle limits run the greater of one per bedroom or one per 2.5 permitted occupants, with a minimum of two. These aren't just compliance boxes — they directly cap how large a group you can legally market to, which affects achievable nightly rates for bigger homes marketed toward multi-family or wedding-party bookings.

What This Means for Underwriting

Model your STR income against the specific home's actual permitted occupancy, not an optimistic guest count you'd like to advertise. Budget for licensing, revenue reporting, and property management as real line items, not afterthoughts. And build in a regulatory risk premium: the 2023 referendum failed, but the coalition behind it didn't disappear, and future council action or a repeat ballot measure remains a real possibility over a 5-10 year hold. If your return math only works with today's rules holding indefinitely, that's a fragile plan.

Underwriting a specific Isle of Palms property for short-term rental income? Contact Chris Eller directly, or browse more Investment Articles.