Email in the ultra-luxury spa space is not marketing. It is correspondence. The difference matters. When a guest at Aman or Four Seasons Spa receives an email, it should read like a personal note from someone who genuinely knows them and cares about their wellbeing, not like a newsletter blast from a brand trying to fill appointment slots.
The opportunity is substantial. Email open rates for luxury brands consistently run 25 to 35% versus the 20% industry average (Mailchimp), and that gap widens further when the sender is a recognized individual (a spa director, a lead therapist) rather than a brand name. In a market where the global wellness economy has reached $5.6 trillion (Global Wellness Institute, 2024) and 92% of UHNW individuals prioritize wellness (Knight Frank Wealth Report, 2024), email is your most personal digital channel for maintaining the relationship between visits. Luxury spa local client repeat rates sit at 60 to 70% (ISPA), and a thoughtful email program is what keeps your spa top of mind during the weeks and months between appointments.
But the rules of engagement are completely different at this level. No promotional subject lines. No coupon codes. No 'limited time offer' urgency tactics. Your clients are paying $300 to $1,000 per treatment (ISPA, 2025) and spending $10,000 to $50,000 annually. They expect communications that match the level of thoughtfulness they experience in person. This guide covers how to build an email retention program that feels like a natural extension of the spa experience itself.
Email retention sequence timeline
Source: Mailchimp, Klaviyo
Day 1
Thank you + points balance
45%
open rate
Day 7
"Miss you" + new menu item
32%
open rate
Day 14
Special offer
24%
open rate
Day 30
Win-back campaign
16%
open rate
Day 60
Final attempt
9%
open rate
Open rates decline 50%+ by Day 14. Early emails are critical.
Why This Strategy Works
Correspondence, Not Campaigns
The fundamental shift in ultra-luxury spa email is moving from campaign thinking to correspondence thinking. A campaign has an audience, a goal, and a call to action. Correspondence has a recipient, an intention, and a genuine reason for reaching out. Every email your spa sends should pass the test: 'Would a thoughtful spa director actually write this to someone they know personally?' If the answer is no, it doesn't get sent. This means fewer emails, but each one carries genuine weight. When your spa director writes a seasonal wellness letter, it should reflect actual observations about how the season affects the body and specific thoughts on what might benefit the client.
The Personal Sender Principle
Emails from 'Four Seasons Spa' get opened at a reasonable rate. Emails from 'Elena, Four Seasons Spa Director' get opened, read, and responded to. At the ultra-luxury level, every email should come from a named individual with a genuine relationship to the recipient. Treatment follow-ups come from the therapist. Seasonal wellness recommendations come from the spa director. New experience announcements come from the wellness curator. This requires real people to be involved in the communication process, not just their names on templates. Email open rates for luxury brands hit 25 to 35% (Mailchimp), and the personal sender approach pushes open rates toward the upper end of that range.
Value Without Asking
The most effective ultra-luxury spa emails give something without asking for anything in return. A post-treatment email with personalized care instructions. A seasonal wellness insight with no booking link. A note about a new wellness study relevant to the client's interests. This builds a pattern where opening your emails feels rewarding rather than obligatory. Over time, when you do extend an invitation, the client is predisposed to engage because every previous communication delivered genuine value.
Respecting the PA Channel
For many UHNW clients, the personal assistant manages their inbox and schedule. Your email program needs to work with this reality, not against it. Wellness content and personal correspondence should go to the client directly. Scheduling invitations, seasonal offerings, and logistics should be copied to or directed to the PA. Understanding who actually reads and acts on each type of communication is essential for ultra-luxury email effectiveness.
Step-by-Step Implementation
- Audit and segment your client communication preferences. Before sending a single email, map every client's communication preferences. Do they prefer direct contact or through their PA? Do they want treatment-specific follow-ups or just seasonal touchpoints? Are they a reader (long-form wellness content) or a scanner (brief, actionable notes)? What topics interest them (nutrition, stress management, skin health, fitness recovery)? This preference mapping turns your email program from a broadcast system into a personalized correspondence network. Build this into your CRM and update it after every client interaction.
- Design the post-treatment follow-up sequence. Within 4 to 6 hours of a treatment, send a personalized note from the therapist with specific aftercare guidance. Not a template. A genuine message referencing what was discussed during the session and any areas of focus. 'I noticed some tension in your left shoulder today that we worked through. Here are two stretches that will help maintain the release between visits.' Seven days post-treatment, send a brief check-in asking how they're feeling and whether the benefits have held. This follow-up demonstrates that the care doesn't end when the treatment does.
- Create the seasonal wellness letter. Four times per year, the spa director writes a genuine letter about the coming season's wellness considerations. Not a promotional piece with seasonal specials. A thoughtful exploration of how the season change affects the body and mind, with specific, actionable wellness recommendations. Reference relevant research, share personal observations, and include one or two mentions of treatments or experiences that align with the seasonal theme. Keep the tone warm and knowledgeable, like a letter from a trusted advisor. Each letter should be 400 to 600 words and feel worth reading for its own sake.
- Build the milestone communication system. Track meaningful milestones for each client and create personalized communications around them. Membership anniversary, 10th visit, first year as a client, the completion of a wellness program. These milestone emails should be genuinely personal, referencing specific moments in the relationship ('It's been a year since your first visit, when you came in for that deep tissue session after your ski trip'). Milestone communications reinforce the depth of the relationship and remind clients that they're known as individuals.
- Develop the new experience preview program. When your spa introduces a new treatment, practitioner, or wellness program, members and top clients should hear about it first, through a personal email from the spa director. Frame it as sharing something exciting, not selling something new. 'I've just brought on a traditional Chinese medicine practitioner who trained at the Academy in Beijing for 12 years. Based on our conversations about your interest in holistic approaches, I thought you might want to experience a session before we open her schedule to the general public.' This creates genuine exclusivity and makes the client feel like an insider.
- Implement the wellness content series. Develop a monthly or bi-monthly wellness insight email that positions your spa as a source of genuine expertise. Topics should be substantive: the science of sleep recovery, how altitude affects the skin, the connection between gut health and inflammation, new research on therapeutic touch. Each piece should be 300 to 500 words, cite real research, and include one practical takeaway. The goal is to create content valuable enough that clients look forward to receiving it. This positions your spa team as wellness authorities, not service providers.
- Create the PA-specific communication track. Build a separate email track for personal assistants that serves their specific needs: advance notice of seasonal offerings (so they can plan their principal's wellness schedule), gifting opportunities (with a direct line to place orders), scheduling reminders and availability updates, and annual membership renewal information. PA communications should be efficient, respectful, and formatted for quick action. A PA who finds it easy to work with your spa becomes your most valuable booking channel.
- Establish measurement and refinement protocols. Track open rates, reply rates (the most important metric at this level), and downstream booking activity. Segment metrics by communication type (follow-up, seasonal letter, wellness content, new experience preview). A/B test sender names, subject line approaches, and content length. Aim for 30%+ open rates and 5%+ reply rates on personal correspondence. If seasonal letters aren't generating responses or bookings within 30 days, the content isn't resonating with your audience.
Quick Tactics
Practical, actionable tactics you can start using today.
The Therapist Follow-Up Note
Within hours of every treatment, the therapist sends a brief, personal email referencing specific aspects of the session. Areas of focus, techniques used, observations made, and aftercare recommendations. This is the highest-engagement email in the ultra-luxury spa ecosystem because it's genuinely useful, perfectly timed, and comes from a trusted individual. Aim for 50%+ open rates on these notes.
The Spa Director's Seasonal Letter
A quarterly letter from the spa director that reads like genuine correspondence from a wellness authority. Discuss the season's impact on health and wellbeing, share personal observations, reference current research, and weave in one or two relevant experiences the spa is offering. This letter should be worth reading even if the recipient never books a treatment. It positions the spa as a wellness thought leader and keeps the relationship warm between visits.
The Private Preview Invitation
When launching new treatments, practitioners, or experiences, send personal invitations to members and top clients before any public announcement. Frame it as insider access: 'Before we announce this publicly, I wanted you to have first access.' Include enough detail to intrigue and a direct way to book (reply to this email or call a specific person). This creates genuine exclusivity and drives early adoption from your highest-value clients.
The Wellness Insight Series
A monthly or bi-monthly email delivering substantive wellness content, the science of sleep, how travel affects the body, seasonal nutrition principles, the latest in therapeutic bodywork. Each piece should be well-researched, cite real sources, and include one actionable takeaway. Over time, this series builds your spa's reputation as a genuine wellness authority and gives clients a reason to look forward to your emails.
The PA Coordination Channel
A dedicated email track for personal assistants with advance seasonal calendars, gifting catalogs, scheduling tools, and direct contact information. PAs who find it easy to work with your spa will book more frequently and recommend you to their network of other PAs. This track should be efficient, well-organized, and formatted for quick decision-making.
The Milestone Celebration Note
Personalized emails on meaningful milestones: membership anniversaries, visit milestones, the completion of a wellness program. Each note should reference specific memories from the relationship and express genuine appreciation. These are among the most powerful retention tools because they make clients feel truly known and valued. A well-written milestone note often generates a reply, deepening the relationship further.
The Return-to-Season Invitation
For clients who visit seasonally (snowbirds, summer residents, holiday travelers), send a personal note timed to their typical arrival. 'As you're planning your return to Palm Beach this winter, I wanted to share what's new at the spa and reserve your preferred treatment times with Maria.' This proactive outreach captures bookings before the client even arrives and demonstrates that you track and value their seasonal pattern.
Get weekly retention tips
One actionable idea for ultra-luxury spas every Tuesday. No fluff, no spam.
Join 2,400+ local business owners. We respect your inbox.
How to Measure Success
Open Rate by Communication Type
Track open rates segmented by email type: post-treatment follow-ups, seasonal letters, wellness content, new experience previews, and milestone communications. Personal correspondence from named senders should consistently outperform branded communications. Luxury brand averages run 25 to 35% (Mailchimp), and your personal correspondence should exceed that.
Benchmark: 30-45% for personal correspondence
Reply Rate
Unlike mass marketing where replies are irrelevant, ultra-luxury email programs should generate genuine replies. Clients responding to their therapist's follow-up or the spa director's seasonal letter indicates real engagement. Track reply rates and ensure every reply receives a timely, personal response.
Benchmark: 5-15% on personal correspondence
Email-to-Booking Conversion
Track the percentage of email recipients who book a treatment within 30 days of receiving a communication. Segment by email type to identify which communications drive the most bookings. Post-treatment follow-ups and new experience previews typically convert highest.
Benchmark: 8-15% within 30 days
Client Engagement Score
Create a composite score for each client based on email opens, replies, booking frequency, and treatment variety. This score identifies your most engaged clients (candidates for membership upgrades and referral requests) and your least engaged (candidates for reactivation outreach). Track the trend over time, not just the snapshot.
Benchmark: Track individually
Unsubscribe Rate
At this level, an unsubscribe is a relationship failure, not a list hygiene event. Every unsubscribe should be personally reviewed to understand what went wrong. Was the frequency too high? Did the content feel impersonal? Was the email sent to a PA who didn't recognize the sender? Track and investigate every one.
Benchmark: Below 0.1% per send
Common Pitfalls
Sending promotional emails with discount offers
Fix: Nothing undermines ultra-luxury positioning faster than a '20% Off This Weekend' email. These clients chose your spa because of quality and exclusivity, not price. If you want to drive bookings during a slow period, frame it as availability: 'We have some rare openings with Elena this Thursday afternoon, and I thought of you given how much you enjoyed your last session with her.' Invitation, not promotion.
Over-automating personal correspondence
Fix: Templates and automation have a place in the operational layer (appointment confirmations, logistics). But the emails that build the relationship, follow-ups, seasonal letters, milestone notes, must have genuine human input. Clients at this level can instantly detect templated communication masquerading as personal correspondence. If your spa director isn't actually involved in writing the seasonal letter, the inauthenticity will show.
Ignoring the client's communication rhythm
Fix: Some clients want weekly touchpoints. Others prefer quarterly. Sending the same cadence to everyone will over-communicate with some and under-communicate with others. Map each client's preferred rhythm during onboarding and adjust based on engagement signals. A client who opens every email and replies frequently can receive more. A client who opens one in three should receive less, but with higher impact per send.
Treating email as a standalone channel
Fix: Email should be one thread in a coordinated communication experience. If the spa director's seasonal letter recommends a particular treatment, the client's therapist should reference it at the next appointment. If a post-treatment follow-up mentions a specific product, it should be waiting in the treatment room at the next visit. Disconnected channels feel like departments. Connected channels feel like a team of people who genuinely care about one client.
Using generic subject lines
Fix: Subject lines like 'Your Monthly Wellness Update' or 'New Treatments Available' get filtered and ignored. At the ultra-luxury level, subject lines should feel like the beginning of a personal note: 'A thought on your winter wellness routine,' 'Following up on Thursday's session,' 'Something I think you'd love.' Every subject line should feel like it was written for one person, even when the content goes to a segment.
Key Statistics
25-35% vs. 20% industry average
Email open rates for luxury brands
Mailchimp
60-70%
Luxury spa local client repeat rate
ISPA
92%
UHNW individuals prioritizing wellness
Knight Frank Wealth Report, 2024
$300-$500
Average luxury spa treatment spend
ISPA, 2025
78%
Luxury consumers valuing experiences over products
Bain Luxury Report, 2024
Free: Ultra-Luxury Spa Email Retention Checklist
A printable checklist covering every tactic from this guide, plus copy-paste message templates for implementation.
No spam. Unsubscribe anytime. Your email stays private.
Brian Boesen
Founder of Regulr, Denver Curated
I built Denver Curated into a local marketing platform reaching 300,000+ people across Denver, Austin, Chicago, and LA. Now I build retention technology at Regulr. I write about keeping customers because I have run the campaigns myself.
If you want to automate this, Regulr connects to your POS and handles it on autopilot.